Our wireless stereo headphone is a super companion for you in daily life. Bluetooth wireless connection, TF card MP3 player, hands-free function and built-in noise isolation microphone are the main features of the headphone.
For Iphone X 8 Samsung magnetic M5 Bluetooth Headphones Sport Earphones Stereo Wireless Ear Set Running Headset With Mic MP3 Earbud BT 4.1
Bluetooth chip and Bluetooth version: csr 4.1
Bluetooth protocol: A2DP AVRCP HFP HSP
Battery: 3.7V 60mAh
Charging power: 5V / 80mAh
Sensitivity: 103db +/- 3dB