l Bluetooth version: V2.0, compatible for V1.5 V1.2、V1.1，V1.0
l Transmission power: Class2
l Wireless frequency: 2.4-2.48GHz
l Transmission distance: up to 10M
l Charge time: 3-4 hours
l Speaking time: up to 6 hours
l Standby time: up to 140 hours
l Compatible for all cellphones with bluetooth function
Use method:
l Don't release answer key until the blue light is always on
l Open the cellphone bluetooth function and let it search the new device
l Connect the new device after it is found; iput the password 0000 to finish the matching
