Bluetooth Lexin LX-B4FM-X Motorcycle Helmet Intercom

SPECIFICATIONS   talking time: Up to 12 Hours Talk Time   Working speed: Up to 120km/h Speed Waterproof: Rainy proof Stereo music/audio: A2DP enabled cell phone/MP3/GPS Special Function: Universal Pairing Function,Voice Control,FM,Noise Reduction,waterproof Special Features: intercomunicador bluetooth moto Special Features: 1600m for 4 riders talking at the same time Power Supply Mode: Built-in Battery Model Name: B4 Maximum Number of Speakers: >6 Maximum Intercom Distance: >1000m Main Features: Communication in 4 riders 1600m range helmet interphone Item Width: 15cm Item Weight: 0.3kg Item Type: Helmet Headset Item Length: 21cm Item Height: 6cm External Testing Certification: FCC Connection Mode: bluetooth Certification: CE,FCC Brand Name: Lexin Applicable Helmet Type: Open face,Flip Up Helmet,Full Face,MOTOCROSS,Half Helmet,MODULAR