Sena 5R Lite Bluetooth Headset For the simple Bluetooth system that connects to one other rider, the Sena 5R Lite will cover all the bases, but with half the talk time compared to the 5R. Hands free communication, LCD screen and a 2-way HD intercom are just a few key features for this system. Conveniently access the Sena app to control a variety of functions or access music, GPS and phone calls hands-free while riding. The 5R connects to any Bluetooth intercoms equipped by Sena or Sena powered devices and features a working distance of up to 700 meters. Features: Two-way intercom HD intercom Bluetooth 5.1 Headset Profile (Hsp) Hands-Free Profile (Hfp) Advanced Audio Distribution Profile (A2Dp) Audio Video Remote Control Profile (Avrcp) HD speakers Noise Cancellation: Advanced Noise Control Codec: Built-in SBC Codec LCD display Multi-language voice prompts Sena smartphone apps Working Distance: up to 700 m (760 yards) in open terrain Supports up to: 2 riders Talk time: 8 hours Charging time: 2.5 hours Type: Lithium Polymer Battery Dimensions: Main module: 76 mm x 41 mm x 27 mm (3 in x 1.6 in x 1.1 in) Speaker driver unit: 40 mm thickness 7.3 mm Boom microphone: length 150 mm Wire between speakers: length 510 mm Weight: main module - 42 g (1.48 oz)