Sena Intercom Universel PI Bluetooth Device

The Sena Pi is a universal Bluetooth® intercom system that converts your helmet into a smart helmet with a 2-way Bluetooth intercom. Its compact, pi-style headphones attach easily to most cycling, skating, or other helmets with straps up to 18mm wide. The device features a two-button control on the left speaker and clips onto helmet straps. The Pi offers a 2-way HD intercom for instant communication without a phone or data, working up to 400 meters with up to 6 hours of talk time. Dimensions: 30 x 59 x 13 mm; weight: 37g. It operates between -10°C and 55°C and uses a lithium polymer