1. Bluetooth version: V5.32. Ring capacity: 40mAh3. Charging box capacity: 500mAh4. Use time: about 48H5. Product size: 82x59x32mm6. Support APP: mainstream APP7. Product features:Selfie/like/back/up, down, left, and right pages/volume/remote screen lock/switch songs/pause songs/automatically brush the screen to like the record/fast forward fast back/digital battery display/mobile phone emergency charging/mobile phone holder8. Small size, ring design, can be worn on the hand, easy to use.9. It is both a mobile phone remote control and a mobile phone holder, with multiple functions and strong practicality.10. Supports Bluetooth remote control from 15 meters away, making it stable, smooth and easy to browse videos and like the videos you like.11. Comes with a charging compartment, magnetic charging stand design, built-in 500mAh large-capacity battery, which can charge the ring about 5 times, with low power consumption and long battery life.12. Power LED digital display screen, the power usage of the charging compartment is clear at a glance.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 13cm * 8.5cm * 3.5cm / 5.12inch * 3.35inch * 1.38inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 42cm * 32cm * 30cm / 16.54inch * 12.6inch * 11.81inch Loading Container 20GP: 661 cartons * 100 pcs = 66100 pcs40HQ: 1535 cartons * 100 pcs = 153500 pcs