Features:
1. Three-button control, convenient and quick
2. Using the Hall magnetic switch, it will turn on when it is separated, and it will be turned off when it is closed
3. AAC high-definition audio coding, truly restore the sound
4. Support 28 hours long battery life
5. IP55 dustproof and waterproof
6. Smart dual-device quick switching
7. Independent cavity design to reduce distortion
8. 10mm titanium-plated large dynamic coil with TPU+PET composite titanium-plated diaphragm, providing strong power and sound penetration
9. Ergonomic design, comfortable to wear

Product parameters:
1. Bluetooth version: 5.0
2. Effective distance: 10 meters
3. Sound unit: 10mm moving coil
4. Speaker sensitivity: 106.5dB@1kHz
5. Speaker rated impedance: 32 Ohm
6. Speaker rated power: 5mW
7. Frequency response range: 20Hz-20kHz
8. Bluetooth codec: AAC/SBC
9. Microphone sensitivity: -42dBV/Pa
10. Microphone type: omnidirectional MEMS microphone
11. Battery capacity: 220mAh lithium battery
12. Music playing time: 28 hours
13. Charging time: 35 minutes
14. Charging input: 5V 2A
15. Interface: Type-C/USB-C
16. Waterproof grade: IP55
17. Net weight: about 26.8 grams