DIMTON BlueRider M1-S EVO Motorcycle Helmet Intercom Headset

Main Features: 
– Motorbike-to-motorbike intercom for 2 separate motorbikes, supports 8 users connection, up to about 4000m
– Bluetooth 4.1 connection, let you enjoy the wireless music and hands-free call
– CVC digital echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed at a high speed
– Long lasting, can continuously work for up to about 10 hours, also usable during charging
– Durable button panel, water and dust resistant
– Voice prompt lets you know the power of the intercom, also support voice command input

Technical Parameters: 
– Bluetooth version: 4.1
– Bluetooth protocol: HSP, HFP, A2DP, AVRCP, SPP, CVC
– Working frequency: 2402 – 2408MHz
– Intercom range: about 500m (one to one)
– Battery: built-in 3.7V 900mAh Li-ion battery