Specifications:

The Bluetooth system that allows the max. call distance between two riders up to 1,200m and actually realizes the fully duplex wireless communication among four riders.
Working speed above 120km / h
Automatic and safe receiving of mobile phone calls;
Master control Bluetooth CSR BC5 scheme available;
Advanced A2DP & EDR Bluetooth function available;
Strong stereo music/audio available (mobile phone/MP3/GPS with A2DP for transmission);
4 people while the intake Bluetooth + FM radio + Bluetooth Headset
Maximum distance calls up to 1200 meters between two riders, real full-duplex wireless communication between Bluetooth system of four riders
120km / hour or more operating speed
Automatic safety receives phone calls
Strong shake stereo music / audio function (with A2DP mobile phone transmission / MP3 / GPS)
DSP noise cancellation
National 5 waterproof standard
FM tuner
4 people can talk at the same time


Features:

Working speed above 120km / h
Bluetooth Version: 3.0, Advanced A2DP & EDR Bluetooth
Chip: CSR BC5
Battery capacity: 550mah, battery type: polymer, charge and discharge times: 500
Operating voltage: 3.3V-4.2V
Talk time: 8H, Standby time: 150H, Charging time: 2.5H
Radio frequency: FM87.5 ~ 108MHz
Speaker power: 0.25W
Operating temperature range: -10 ℃ to + 45 ℃ (minimum and maximum operating temperature)
Charger Specifications: DC 5V 500mA
National Level 5 waterproof standard


Package includes:

1 * Stereo Headset
1 * Clip
1 * Power adapter
1 * 1200M Bluetooth receiver
1 * USB cable
2 * Screw
1 * Screwdriver
1 * Manual