Main Features:

Maximum talking range 500 meters between two riders, real two-way wireless communication between three riders by Bluetooth system

Up to 120Km working speed

Up to 7 hours talking time

Safe auto-receiving cell phone calls

Advanced A2DP & EDR Bluetooth profile

Stereo music/audio function (transmits from A2DP enabled cellphone/MP3/GPS)

Wind noise DSP cancellation

Water-resistance, all weather

Friendly for gloves

Other features:

Digital Signal Processor (DSP) Technology for wind noise cancellation

Excellent performance at speeds up to the legal limit with a full face helmet

Easily mounts to all full face and open face helmets
General features:

Typical current consumption is 55 ~75 mA

500 mAh Li Polymer battery

Standby time: 100 hours

Charging time:~ 3 hours

Chip brand: CSR

Packing Included:

1 x Motorcycle Helmet Bluetooth headsets

1 x Wall Charger

1 x Allen Wrench

2 x Velcro Pads

1 x Glue Plate

1 x MP3 Audio Cable

1 x Microphone Sponges

1 x User manual