GENERAL
Talk time: 13 hours
Operating temperature: -10˚C ~ 55˚C (14°F ~ 131°F)
Dimensions:
Speaker Driver Unit: 32 mm – thickness 10 mm
Main Module: 73.3 mm x 38.7 mm x 16.6 mm (2.9 in x 1.5 in x 0.7 in)
Wired Boom Microphone: length 183 mm
Wire between Speakers: length 590 mm
Weight: main module - 35 g (1.23 oz)
BLUETOOTH
Bluetooth 4.1
Headset Profile (HSP)
Hands-Free Profile (HFP)
Advanced Audio Distribution Profile (A2DP)
Audio Video Remote Control Profile (AVRCP)
AUDIO
Noise Cancellation: Advanced Noise Control™
Codec: Built-in SBC Codec
FM Radio:
Radio frequency specifications: 76 ~ 108MHz 
INTERCOM
Working Distance: Up to 800 m (880 yds) in open terrain
Supports up to 2 riders
BATTERY
Charging time: 1.5 hours
Quick Charge: 30 minutes of charging equals 4 hours intercom
Type: Lithium Polymer Battery
CERTIFICATES
CE, FCC, IC