**Features** 1. **Bluetooth Connectivity:** Ready to use, it can connect to Bluetooth earphones, watches, etc., simultaneously without interfering with other devices. 2. **Short Video Control:** Supports up/down flipping and liking on popular short video apps like Douyin, Kuaishou, Xiaohongshu, and others, offering smooth, lag-free operation. 3. **E-book Reading:** Compatible with e-book apps such as Qidian, Qimao, Shuqi, NetEase Cloud Reading, and Baidu Reading. 4. **Video Liking:** Easily like videos by swiping your phone remotely, eliminating the need to strain or lift your arms. Wear the smart ring to instantly control your phone and send likes. 5. **Meeting Mode:** Use the smart ring to flip through PPT slides during meetings. **Specification** * **Bluetooth Version:** BT4.0 * **Effective Bluetooth Distance:** 2 meters * **Battery Type:** Rechargeable lithium-ion battery * **Battery Capacity:** 25mAh * **Usage Time:** 12 hours * **Standby Time:** 192 hours (single charge) * **Charging Time:** 1.5 hours * **Waterproof Grade:** IPX8 * **Material:** Metal * **Finger Circumference:** 5.6 cm, 6.0 cm, 6.4 cm, 6.9 cm, 7.3 cm, 7.5 cm * **Color:** Black * **Size:** 9 x 9 x 3.5 cm * **Weight:** 60 g **Package Includes:** * 1x Smart Ring