Parameter
1. Bluetooth version: V5.0
2. Sensitivity: -80dB
3. Bluetooth frequency: 2.401GHZ-2.482GHZ
4. Bluetooth protocol: HFP/A2DP/AVCTP/AVRCP/AVDTP/GAVDP
5. Microphone sensitivity: 102db+/-3db
6. Rechargeable battery capacity: 300mAh
7. Impedance: 32ohm+/-8%(1KHZ)
8. Audio signal-to-noise ratio:>=90dB
9. Speaker unit: 40mm
10. Play time: 16-18 hours (70-80% volume)
11. Call time: 16-20 hours
12. Standby time: 5100 hours
13. Power input: 5V-1A
14. Charging time: 3-5 hours
15. Material: ABS + PC
Feature
1. Bluetooth 5.0 wireless technology, stable and continuous connection
2. 40mm large dynamic coil unit, shocking bass effect
3. Large-capacity battery, 18 hours long battery life
4. Lightweight premium PU sponge earmuffs, comfortable to wear
5. Independent button design, one-handed operation
6. All-inclusive earmuffs, decent sound quality with insulation material
7. Supporting card, wired, and wireless modes
