Function 4 in 1: support BT connection / TF Card / radio / auxiliary music playback（ Audio cable not included
Widely compatible with all BT enabled audio / music player devices.
Two high-quality speakers provide superior sound effects.
The built-in microphone allows hands-free calls.
Adjustable headdress and soft ear pad ensure comfortable use.
The built-in rechargeable battery provides 6 hours of music time after charging for 2 hours.
Folding design, easy to carry.
Product Name: wireless headset with microphone
BT version: V5.0 + EDR
Wireless distance: 10M
Sensitivity: - 58 + / - 3dB
Frequency range: 87.5-108mhz
Power supply: built in rechargeable battery
Charging time: About 2H
Working time: about 6 hours
Color: black, white, red, blue, green (optional)