1.Bluetooth version: 5.3
2. Chip type: Zhongke Lanxun (Model: 5605B)
3.Battery type: polymer lithium battery
4. Function: Bluetooth, AUX (3.5mm round hole),
5. Battery capacity: 400 mAh with protection board
6. Charging time: about 2 hours
7. Duration of use: more than 40 hours
8. Standby time: about 200 hours
9. Speaker: 40mm large dynamic coil
10. Charging port: Type-C
11. Transmission distance: No obstacle can be connected within 10 meters
12.Transmission power: 5V1A
13. Noise reduction degree: deep noise reduction -25db
14. Speaker sensitivity: 113+3dB
15. Frequency range: 20-20000hz
16.Signal to noise ratio: 88DB
17. Single bare metal weight: about 190g/about 0.19kg
Weight including packaging: about 385g/about 0.385kg
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