Sena 20S Evo Dual With Hd Speakers, No FM Radio

General
Talk time: up to 13 hours
Operating Temperature: -10?C ~ 55?C
Charging temperature: 0?C – 45?C
Dimensions:
Main Module: 94.7 mm x 48.3 mm x 25.5mm
Speaker Driver Unit: 40 mm – thickness 6.5mm
Boom Microphone: length 190mm
Wire between Speakers: length 555mm
Weight: main module - 61 g

Battery
Charging time: 2.5 hours
Type: Lithium Polymer Battery

Bluetooth
Bluetooth 4.1
Headset Profile (HSP)
Hands-Free Profile (HFP)
Advanced Audio Distribution Profile (A2DP)
Audio Video Remote Control Profile (AVRCP)

Intercom
Working Distance: up to 2.0 km in open terrain
Supports up to 8 riders

Audio
Noise Cancellation: Advanced Noise Control
Codec: Built-in SBC Codec

Certificates
CE, FCC, IC