Gitfu corporate gift expert, provides customised custom computer product, gift set, guaranteed imported chips, small order welcome, 10 days production 

GiftU excellent quality corporate premium. Enhance your brand image. GiftU your perfect gift & souvenir solution!

Version: V4.1+EDR 
Frequency: 2.402-2.480GHz
Support Agreement: HSP, HFP, A2DP, AVRCP
Transmission: Class2
Range: 10m
Sensitivity: <0.1%BERat-80dBm
RF Output: -6dBm to 4dBm
Talking Time: 7-8hrs
Music Time: 6-8hrs
Charging Time: 2hrs
Standby Time: 200hrs
Battery: 3.7V/100mAh rechargeable Li battery
Input: 5V/1A