HJC Intercom System Smart 20B by Sena

HJC Smart 20B Bluetooth Headset by Sena
Replace your uncomfortable wired earbuds with the Smart HJC 20B Bluetooth Headset that integrates seamlessly into the RPHA 11 Pro Carbon, RPHA 90S Carbon, RPHA 70 Carbon, F70, i10 and i90 helmets. With a 1 mile range in open terrain, the 20B lets you speak to your riding buddies in full duplex intercom. Bluetooth 4.1 lets you stream multiple audio sources at the same time without interruption. Gone are the days of an intercom request or GPS prompt interrupting your cruising tunes.

Features:
Talk time: 10 hours
Operating temperature: -10˚C - 55˚C (14°F - 131°F)
Working distance: up to 1.2 km (0.8 miles) in open terrain
Audio Overlay: listen to music and use intercom simultaneously
Bluetooth:
Headset Profile (HSP)
Hands-Free Profile (HFP)
Advanced Audio Distribution Profile (A2DP)
Audio Video Remote Control Profile (AVRCP)
Bluetooth 4.1
Audio:
Advanced Noise Control
Wide volume control
Sample rate: max. 48 kHz (DAC)
FM Radio:
Built-in FM radio with RDS AF (Radio Data System Alternate Frequencies)
Radio frequency specifications: 76 - 108MHz
Radio region: worldwide
Battery:
Type: Lithium polymer
Fitment:
The HJC Smart 20B Bluetooth Headset by Sena is designed to integrate with the following HJC helmets:
RPHA 11 Pro Carbon
RPHA 90 S Carbon
RPHA 70 ST Carbon
F70
i10
i90