WK A8 Pro True Wireless Stereo Bluetooth Earphone

1. Bluetooth version: 5.0
2. Material: ABS+PC
3. Transmission distance: 10m
4. Frequency response: 20HZ-20KHz
5. Signal-to-noise ratio: greater than or equal to 90dB
6. Sensitivity: -85dB
7. Distortion: 5%
8. Drive unit: 13mm
9. Impedance: 32 ohms
10. Playing time: 5-6 hours
11. Standby time: 120 days
12. Battery capacity: earphone 25mah, charging compartment 200mah
13. Dimensions: 54x47x21mm
14. Weight: 53g