Features:

Max support 2 bikers’ communication.
Wireless communication between two riders at the range of about 500meters.
Max 10 meters’ pairing distance with your phone or MP3 player.
Max bear 120KM driving speed with full face helmet to protect from wind noise.
Advanced A2DP & EDR Bluetooth profile.
Full-duplex intercom and stereo music/audio function.
Water-resistant and glove-friendly intercom.
Up to 5 hours’ talking time or 100 hours’ standby time while full charged(about 3-6 hours).
With DSP echo cancellation and noise suppression technology.
Stereo music/audio function which transmits from A2DP enabled cell phone.
Easy to install, which won't damage your helmet.

Specifications:
Color: Black
Production dimension:2.96x1.34x0.59”/7.5x3.4x1.5cm
Waterproof: IPX 5
Bluetooth vision: 3.0
Chip: CSR BC5
Battery type: Polymer
Battery capacity: 550mAh
Speaker power: 0.25W
Working speed: Up to 120km/h
Talk time:Up to 5 hours
Standby time:Up to 100 hours
Charging time: Approx 2.5 hours
Compatible adapter: DC 5V 500mA (output)
Working temperature: -10?—+45?

Package:
-- Stereo Headphones x 2
-- Clips x 2
-- 500M bluetooth receiver x 2
-- USB Cable x 2 (Do not include the ac adaptor)
-- User guider x 1

• Biker to biker communication at the range of 500 meters.
• Easily communicate with your pillion passenger through this Bluetooth linked interphone.
• Bluetooth with your GPS and receive its navigating voice.
• Pairing with your smart phone and auto-answering your calls while driving.
• Last calling number redialing function. Listening to crystal clear music while pairing with MP3 player. Ideal choice for driving or skiing

Biker to biker communication at the range of 500 meters.CISUNG