Half In-Ear Bluetooth Earphones Wireless Sports On-Ear Earphone(Black)

1. Bluetooth program: BlueTrum AB5656C2
2. Bluetooth version: Bluetooth 5.3
3. Wireless frequency: 2.4GHZ
4. Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
5. Transmission distance: about 10 meters
6. Battery capacity: earphone: 60mAh; charging compartment: 400mAh
7. Charging voltage/current: 5V/1A
8. Playback/talking time: about 6h
9. Charging time: about 2h
10. Standby time: 90 days
11. Speaker impedance: 10mm 32ohm 5mW
12. Microphone sensitivity: approx. 3dB
13. Operating temperature: -10 - 50 degrees Celsius
14. Weight: about 66.8g

Features:
1. Golden triangle support force, double stability, precise fit to the ear contour, lightweight
2. The ear hooks are made of skin-friendly silicone, lightweight and non-slip
3. 14mm large dynamic unit, high-definition resolution audio
4. DT4.0 directional sound transmission, private upgrade refuses to leak sound
5. Bluetooth 5.3, low power consumption chip, low latency game, stable performance
6. HiFi surging sound, non-destructive sound quality
7. Intelligent buttons, easy to operate