Bluetooth chip: V 5.0
Working frequency: 2.402-2.480GHz
Support Protocol: HSP/HFP/A2DP/AVRCP
Transmission distance: 10m
Transmission power: Class 2
Sensitivity: 95dB ± 3dB
Battery 3.7V lithium battery: headphone 50mAh charging box 450mAh
Charging time: about 1.5 hours for headphones
Charging box: about 1.5 hours
Working time: about 4.5 hours
Standby time: about 180 hours
Product size: 100*30*30mm/3.94*1.19*1.19\"
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.
2 X Headphones (Left and Right)
1 X Charging Box
1 X Charging Cable
1 X Manual