Demon BE-Link Bluetooth Audio 3.0

A Bluetooth helmet audio system that turns any helmet into personal surround sound — while you still hear the world around you. BE-Link drops into full-face, skate, dirt, or snow helmets and delivers big sound from 30mm drivers, with 9 hours of battery life for a full day of riding. Unlike headphones, it lets you stay connected to your surroundings — the street, the dirt, the snow. Features Fits any helmet — Full-face, skate, dirt, snow — all the same to BE-Link. 9 hours of battery — Enough to ride all day. 30mm drivers — Big punch and wide range from a tiny package. Stay aware — Personal surround sound that still lets you hear what's around you. Specs Bluetooth: Vimicro 4.1; frequency 2.402–2.480 GHz Transmission distance: ~10 m (mic ≤ 1 m) Battery: 3.7V / 180mA; charge voltage DC 4.2–5V; charge time 2–3 hours; play time ~6–9 hours Speaker diameter: 30mm; magnet: NdFeB; impedance: 16 ohms Frequency response: 20–20k Hz Micro USB charging Helpful links How To Wash Demon United Gear