Radiation Free Bluetooth Air tube headset By Smart&Safe&reg; -The Original Patented - White 98%  up to 98% radiation reduction Supports Bluetooth A2DP, AVRCP, and HS/HF profiles Up to 8 hours playback time Sound signal ratio: 95Db, high quality stereo sound Bluetooth remote control module allows you to play, pause, skip, Rewind-Fast Forward, answer and end a phone call.