1. Battery capacity: earphone 55mAh, charging compartment 350mAh
2. Use time: about 4-6 hours (use volume and battery life are different)
3. Transmission distance: about 15 meters (under no interference obstacle environment)
4. Bluetooth version: 5.1+EDR
5. Bluetooth protocol: HSP/HFP/A2DP/ ACRCP
6. Power input: 5V/1A
7. Basic functions: music play/pause, song switching, caller ID, answer/hang up/reject, call voice assistant
8. Packing list: Bluetooth headset x1, anti-drop silicone cap x2, charging cable x1, manual x1
9. Weight: about 25g (charging bay + earphones)
10. Size: earphone about 18.5x12.8x16mm, charging compartment about 42x27mm

Features:
1. Reduced design, small and light, more comfortable to wear
2. The sound quality is delicate and soft, three-band equalization, HIFI sound effects, tone calibration
3. Ergonomic design, fits the ear cavity, not easy to fall
4. Bluetooth 5.1 chip, low latency, low power consumption, long distance
5. Open and close with magnetic attraction, reinforced magnet for hatch cover, split magnetic attraction, not easy to fall
6. Fingerprint touch, you can operate with a light touch of your finger
7. After the first pairing is successful, you can automatically connect to Bluetooth next time you take it out
8. IP55 waterproof and dustproof grade, durable