Since the inception of the “mobile smart screen” (or “bestie machine”) product category, the core selling point has consistently been a large, portable screen. At the Xiaodu new product launch on September 8, the Tiantian “Bestie Machine” Ultra made its debut. It addresses the battery life limitations of its predecessor, upgrades to a 32-inch 4K eye-friendly “paper-like” display, and incorporates the all-new, powerful Xiaodu AI agent. It is no longer merely a TV on wheels; instead, it serves as an all-in-one AI terminal designed for the entire family. It is officially priced at 7,099 RMB, with a limited-time launch price of 5,549 RMB, and includes a “replacement-only” warranty policy for the first year.
Hardware and Design: A Large, Freestanding, and Portable Screen
The most immediate upgrades to the Xiaodu Tiantian “Bestie Machine” Ultra are found in its screen, battery, and stand structure. The unit features a floor-standing design equipped with quiet, omnidirectional wheels at the base, allowing it to be moved easily with one hand. Users can seamlessly transition between the living room, bedroom, kitchen, and balcony, ensuring the large screen truly follows the user wherever they go.
The stand supports ±20cm height adjustment, ±90° screen rotation, and tilt adjustment, allowing users to find the perfect viewing angle whether they are binge-watching shows in landscape mode, scrolling through short videos in portrait mode, exercising while standing, or watching movies while lying down. Key Hardware Specifications:
- Display: 32-inch 4K “paper-like” anti-glare (AG) screen with DCI-P3 wide color gamut. Features SR super-resolution algorithms to intelligently enhance low-resolution content. Dual TÜV Rheinland certifications (Low Blue Light & Flicker-Free), hardware-level DC dimming, and an anti-fingerprint coating ensure excellent visibility and reduced glare in bright environments—keeping the image crisp even during the day without drawing the curtains.
- Performance: Flagship 8-core AI chip, 8GB RAM + 256GB storage, and an open Android system that supports downloading mainstream apps.
- Battery: Large 15,000mAh battery; officially rated for up to 12 hours of continuous binge-watching. Supports 3-hour fast charging, freeing you from power cord constraints.
- Interaction: Supports full-duplex continuous conversation and air gestures. Recognizes 15 dialects, allowing elderly users to operate it via voice commands without a learning curve.
Real-World Usage: One Device, Family-Wide Utility
✅ Audio-Visual Entertainment: A Portable “Giant Screen” for the Whole House
Voice-controlled content playback is a traditional strength of this device. Xiaodu aggregates search results from nine major video platforms, allowing you to find shows or resume watching exactly where you left off with a single voice command. The SR super-resolution algorithm is a highlight of this screen upgrade; it optimizes older films and low-bitrate short-form videos, significantly enhancing image detail.
The “paper-like” screen offers a viewing experience distinct from standard TVs, avoiding the harsh glare associated with glossy screens. You can roll it into the kitchen to follow recipes while cooking or into the bedroom to binge-watch shows while lying down—no wall mounting required. In your spare time, switch to “digital photo frame” mode to display your favorite photos.
✅ AI Fitness: A Free Home Fitness Mirror
This Ultra model comes with over 1,500 professional workout sessions covering 18 categories, all created by instructors from the Beijing Sport University. Leveraging AI-powered skeletal tracking via the camera, it captures body movements in real-time to provide instant corrections and scoring—effectively replacing a dedicated fitness mirror. It supports yoga, strength training, and aerobics, and includes free lifetime access to motion-sensing games. The screen height is adjustable, ensuring a comfortable viewing angle for standing workouts and saving you the cost of purchasing a separate fitness mirror. ### ✅ AI-Powered Study Aid: A Large-Screen Learning Hub That Gives Parents Peace of Mind
This is a key reason why many families choose this device.
The device receives WeChat text messages, images, and homework files, automatically organizing them into a daily task list, while a “Focus Mode” blocks entertainment-related distractions. It features an AI-powered spoken language tutor to correct pronunciation, along with functions like a smart whiteboard, AI drawing, and picture book reading. Parents can remotely monitor learning progress and manage usage time via their smartphones. Compared to smartphones or tablets, the large, 4K paper-like display significantly reduces eye strain associated with close-range viewing and supports learning needs across kindergarten, primary, and middle school stages.
✅ AI Home Assistant: The Arrival of the “Super-Capable Xiaodu” AI Agent
The most significant upgrade this time is the integration of the “Super-Capable Xiaodu” (Baidu’s AI companion) AI agent, transforming the device from a simple voice assistant into a comprehensive home management assistant. – Family Schedule Management: Tracks schedules for the whole family with automatic reminders; integrates delivery tracking, weather updates, and to-do lists.
- Smart Home Hub: Connects with smart devices from over 1,900 brands; controls lights, curtains, and air conditioning via simple voice commands.
- Lifestyle Services: Supports voice-based recipe searches, food delivery ordering, ride-hailing, Q&A, content generation, and AI image recognition.
- Senior-Friendly: Features dialect recognition, a large-font “Senior Mode,” video calling, and caregiving reminders—ideal for home use by the elderly.
Key Advantages
- Mobility: Equipped with omnidirectional wheels and a long-lasting battery; can be used anywhere in the house without wiring constraints.
- High-Quality Display: 32-inch 4K paper-like eye-care screen with dual TÜV Rheinland eye-protection certifications; suitable for both entertainment and extended study sessions.
- AI Agent Upgrade: Goes beyond simple voice commands to handle family task planning and multimodal processing.
- Versatile Scenarios: Covers everything from binge-watching and fitness to studying, smart home control, and schedule management—perfect for multi-member households.
- Customer-Friendly Warranty: “Replacement instead of repair” policy for the first year, easing concerns about using high-end hardware.
Objective Drawbacks
- Large Footprint: The 32-inch floor-stand design requires dedicated space, which may be challenging for smaller homes.
- Battery Life: Despite the large built-in battery, actual runtime falls short of the rated 12 hours during prolonged high-brightness viewing.
- Fitness Tracking: Movement recognition relies on ambient lighting; accuracy drops in low-light environments.
- High Price Point: Launch price of 5,549 RMB is higher than standard smart screens; best suited for households with diverse usage needs.
Target Audience & Buying Advice
✅ Recommended for: Multi-member households; parents needing a large screen to help children with studies; home fitness enthusiasts; renters who want a portable large screen without drilling holes for a TV; those seeking a single device that combines entertainment with a smart home hub.
❌ Not recommended for: Users who only watch TV in the living room; audiophiles/videophiles seeking ultimate AV performance; those with limited space or a tight budget. ## Conclusion
The positioning of the Xiaodu Tiantian “Bestie Machine” Ultra is crystal clear: a mobile, AI-powered smart home hub for the entire house. Rather than competing with traditional televisions on extreme audiovisual specifications, it focuses on the “mobile large-screen” category, integrating AI agents, an eye-friendly large display, long battery life, and versatility across various usage scenarios.
If you are looking for a device that can be moved freely—catering to adult entertainment, children’s studies, and home workouts while serving as an AI-powered home manager—the Tiantian Ultra stands out as a flagship choice with a well-balanced feature set in this product category. However, if you simply need a TV for a fixed location, a traditional television remains the more cost-effective option.