Material : ABS
Bluetooth V3.0+ EDR, Class 2 transmission power
Also support TF card, FM radio
Bluetooth Profile : HFP, HSP, A2DP, AVRCP
Function : BT on / off, mode exchaged, play, pause, volume control, previous song, next song, answer / end calls
Battery : built in rechargeable 3.7 v / 400 mAh lithium battery
Built-in MIC, Micro USB charging port , TF card port
Operating Range : 10 m
Frequency : 2402MHz~2480MHz ISM Band
Speaker : 40mm / 3W / 4 ohm
S/N Ratio : ≥85db
Charge Voltage : DC 5V
Charging Time : 2-3 hours
Working Time : 4-5 hours
Accessory : Userguide, Micro USB cable
Compatible : phone, iphone, All bluetooth enabled devices