GENERAL
Talk time: 12 hours
Operating Temperature: -10˚C - 55˚C (14°F - 131°F)
Dimensions:
Main Module: 85 mm x 57 mm x 27 mm (3.4 in x 2.2 in x 1.1 in)
Speaker Driver Unit: 40 mm – thickness 6.5 mm
Boom Microphone: length 183 mm
Weight: Main Module - 58 g (2.05 oz)
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 1.6 km (1.0 mi) in open terrain
Supports up to 4 riders
AUDIO
Noise Cancellation: Advanced Noise Control™
Codec: Built-in SBC Codec
FM Radio:
Radio frequency specifications: 76 ~ 108MHz
10 preset station memory
BATTERY
Charging time: 3 hours
Type: Lithium Polymer Battery 
CERTIFICATES
CE, FCC, IC