Tengreen Mini Neckback Sport Wireless Bluetooth Handsfree Stereo Headset Headphone with Microphone/mic Fm Radio for Cell Phone Pc (Black) Long talk time,all phones universal, Music player with A2DP Volume + -, music playback, pause, previous song, next song Supports all bluetooth devices,then hang up, reject calls, last number call-back Talk Time:2-3 hours,Music Playing Time:Up to 7 hours,Stand by Time:Up to 250 Hours,Net Weight:40g Package Include:1 x USB Cable 1 x Bluetooth Mini 503 Headset 1 X Package(150mm X 100mm/5.9" X4.9'')