Product Parameter 1. Product model: R112. Bluetooth version: V5.13. Noise reduction version: CVC8.04. Working distance: connect within 10 meters5. Single ear capacity: 50 mA6. Charging bin capacity: 2000mAh7. Automatic boot: support8. Automatic pairing: support9. Endurance time: about 220 hours in total (need to be used in conjunction with the charging compartment)10. Talk time: about 180 hours accumulatively (need to be used in conjunction with the charging compartment)11. Headphone charging: about 20 times12. Input current of charging compartment: 5V 1A13. Magnetic absorption function: magnetic absorption and charging compartment14. Control method: touch operation Product Features Pause playback (tap the left ear once)Answer and hang up (tap the left ear once)Summon Siri (press and hold left ear for 1 second)Volume down (press the left ear 3 times)Switch to the previous song (tap the left ear twice)Switch machine (long press for 5 seconds)