40H Wireless Headphones Active Noise Cancelling Bluetooth Headset ANC1991
Model NO: VJ099 - 42db
Bluetooth Version: V5.1
Frequency: 2.40GHz-2.48GHz
Power: ≤ 4 dBm, class 2
Effective range: 10-20M
Sensitivity: -106dBm / 0.1% BER
Speaker size: 40mm
Music time: 40-70 Hours
standby time: 300hours
charge time: 2-3 hours
Colour:A:black /B: blue
Material:ABS

Package Contents:
1 x earphone
1 x 3.5MM audio cable
1 x USB cable
1 x English manual
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.