-Material： ABS，Stretchable & Foldable
-Bluetooth v3.0+ EDR,Class 2 transmission Power
-Bluetooth Profile: HFP HSP A2DP AVRCP
-Function: BT on/off,play,volume control,previous song,next song,redial/answer/reject/end calls.
-Battery: built in rechargeable 3.7V/330 mAh lithium battery
-Operating Range: 10m
-Input Voltage:DC 5V
-USB cable:80cm AUX cable:120cm
-Compatible: audio device,phone, iPhon，iPod，MP4/3，PC All bluetooth enabled devices.
-Foldable design allows the headphone to become small easy to carry out using ,the headset also transferred to the most suitable length,tension arms with metal reinforcement ,durable.
-Perfect sound quality and effect, when you go out to enjoy unfettered music anywhere .
-Stereo Bluetooth transmission,strong output power with outstanding sound quality.
-Rechargeable, suitable for both indoor and outdoor exercise.
-Built-in two 40mm 30 ohm speakers,after many tests with optimizzed speaker cavity structure,esure the smooth flow of air flow,but not nuddy heavy bass,delicate and flexible intermediate frequency,high frequency naturally clear.
-Aux in function support all digital audio device with 3.5mm jack, such as iPod/iPhone/ipad,Cell phone,MP3, MP4,Computer, Notebook, PSP .
-Bluetooth Speaker * 1
-USB charge cable * 1
-Audio line * 1
-Manual * 1
- Built-in MIC,support redial/answer/reject/end the calls.
- Stereo Bluetooth transmission,strong output power with outstanding sound quality.
- Close-fitting for passive ambient noise reduction.
- Foldable design saves space for you.
- Good air permeability,can effectively avoid the discomfort caused by wear a long time.