Technical Pro BLUETOUR6U Battery Powered Bluetooth Loudspeaker, Royal Blue The BLUETOUR6U Bluetooth connectivity is also very useful if your having people over. Connect your mobile phone to the BLUETOUR6U and play your audio from anywhere within a 30-Feet range of the BLUETOUR6U. Bluetooth compatibility allows for wireless connection to any A2DP & AVRCP stereo Bluetooth device Features Bluetooth v2.1 with EDR Bluetooth (2.4 GHz) technology Bluetooth Range: 30 -Feet Includes USB mini charging cable Fully charged battery lasts 8 hours during normal usage Charge time: 2 hours Frequency Range: 20Hz-20KHz Signal to Noise Ratio: 92dB Powers off automatically if not in contact with a Bluetooth device for over 5 minutes to conserve battery power Controls include Volume +/-, Play/Pause, Next & Previous Track LED Charging indicator