Bluetooth Version: V4.2
Receiver Distance: Up to 10 meters
Music Time: Up to 8 hours
Talk Time:Up to 8 hours
Frequency Response: 20Hz-20kHz
Charging Time: 2-3 hours
Working Time:Up to 8 hours
Support: TF/Micro-SD card
Battery:Rechargeble Lithium-battery(300mAh)
Functions:Bluetooth, Calling, Aative Noise Canceling, AUX, USB, Sensitivity Microphone, Volume Control, etc.
Color: Black, Blue, Beige, Fluorescent Yellow, Green, Orange, Pink, Red, Rose Red, etc.