USAMS BU12 TWS Half In-Ear Bluetooth 5.1 Wireless Headphones, USAMS BU12

1. Upgraded BT 5.1, fast and stable connection.
2. Dual-channel stereo, immersive HiFi sound quality.
3. Built-in microphone, sensitive touch control.
4. Transparent case, unique macaron color.
Parameters:
1. Material: ABS+PC
2. BT version: 5.1
3. Connection range: <= 12 meters
4. Speaker diameter: 13mm
5. Speaker sensitivity: 115 +/- 3DB
6. Speaker impedance: 32OHM
7. Speaker frequency response: 20Hz~20kHz
8. SNR: >70
9. Earphone weight: about 3g x2
10. Earphone battery capacity: 30mAh
11. Playtime: about 5 hours
12. Call time: about 4 hours
13. Earphone charging time: about 1 hour
14. Charging case weight: about 35.5g
15. Charging case battery capacity: 300mAh
16. Charging time for case: about 1 hour
17. Charging case input: 5V
18. Standby time: about 25 hours
19. Charging case size: 56*50*26.7mm
20. Compatibility: For iOS/Android devices with BT function
21. Including: Earbud X1 pair, Charging case X1, Type-C charging cable X1, User manual X1