iKanoo BT015 Portable Bluetooth Speaker, Black: * This product provides the perfect sound for your laptops, digital music players and other audio-visual products * Auxiliary audio input: 3.5mm audio line input can easily connect the computer, MP3/MP4/IPOD/IPHONE and other audio-visual products * Power output: 3W * Bluetooth: bluetooth v3.0+EDR (A2DP) * Range frequency: 90Hz to 20kHz * Audio input: auxiliary/Bluetooth * Signal/noise ratio: ≥ 76dB * Battery: built-in 500mAh li-polymer battery * LED light: the light will turn red when power on, and blue when charge * Color: black