Place of Origin : Shenzhen,China  
                        Delivery Time : 13-25days
                                 
Bluetooth Core: V2.1+EDR
 Bluetooth Program:ISSC+Class2
 Standby time:  100hours
 Talk time: 6hours
 Charging Time: 2-3 hour
 Standby Current: 0.7-1mA
 Batery Capacity: 48mA/h
 Wireless Frequency Range: 2.4G
 Transmission Power: 0 dbm
 Transmission Distance: 10M
 Operating Voltage:3.7V