ClearSounds ClearBlue BTS001 Mini-Speaker - Use the 3.5mm cable to connect to PC, MP3/MP4/CD and other portable media players - Wirelessly connect with bluetooth enabled mobile phone or PC for hands free communication - Wireless portable speaker for TV Listening with your Bluetooth enabled TV or with the Qlink Bluetooth transmitter - Bluetooth Version: V2.1 - Effective range: 32ft - Working time: 15 hours - Standby time: 150 hours - Bluetooth profiles: HSP, HFP,A2DP,AVRCP - Batteries: AA1.5V\xd76 - Standard power: 4W*2 - Charging input: 9V 1.5A - Charging time: About 4 hours