Sena 20S Motorcycle Bluetooth Headset Intercom With Microphone

GENERAL Talk time: 13 hoursOperating temperature: -10˚C ~ 55˚C (14F ~ 131F)Dimensions: - Main module: 94.7 mm x 48.3 mm x 25.5 mm (3.7 in x 1.9 in x 1.0 in)- Speaker: driver unit 40 mm thickness 6.5 mm- Boom microphone: length 190 mm- Wire between speakers: length 555 mmWeight: Module: - 63 g (2.22 oz) BLUETOOTH Headset Profile (HSP)Hands-Free Profile (HFP)Advanced Audio Distribution Profile (A2DP)Audio Video Remote Control Profile (AVRCP)Bluetooth 4.1 INTERCOM Working distance: up to 2.0 km (1.2 miles) in open terrain AUDIO Advanced Noise ControlBuilt-in SBC Codec- Wide volume control- Sample rate: max. 48 kHz (DAC) FM RADIO Built-in FM radio with RDS AF (Radio Data System Alternate Frequencies)Radio region: worldwideRadio frequency specifications: 64 ~ 108MHz10 preset station memory with automatic scan function BATTERY Charging time: 2.5 hoursType: Lithium polymer CERTIFICATES CE, FCC, IC