FODSPORTS M1S PLUS

General COMPATIBILITY: UNIVERSAL BLUETOOTH HEADSET HELMET INTERCOM OPERATING TEMPERATURE: (-20) – 55 FREQUENCIES: 2.4G – 2.485G FIRMWARE UPGRADES: AVAILABLE USB INJECTION: TYPE-C CSR CHIP: NOISE CANCELLATION FULLY WATERPROOF CAPACITY: 900 MAH BIG BATTERY LIFE TALK TIME: 20 HOURS STANDBY TIME: 300 HOURS CHARGING TIME: 3 HOURS 2 CHANNELS FOR MOBILE PHONE AND GPS BLUETOOTH 5.0 BLUETOOTH HEADSET HEADSET PROFILE (HSP) HANDS-FREE PROFILE (HFP) ADVANCED AUDIO DISTRIBUTION PROFILE (A2DP) AUDIO VIDEO REMOTE CONTROL PROFILE (AVRCP) THE 8 RIDERS INTERCOM BLUETOOTH HEADSET FOR MOTORCYCLE HELMETS KEEPS YOUR CONTACT WITH 7 OTHERS UP TO 2000M AWAY IN TOTAL ( 500M FOR ONE INTERCOM).