Specification:Dimensions 67*67*78mmType ActiveSpecial Feature Portable，miniProduct weight 150gUse Portable Audio Player， Mobile Phone， Karaoke Player， Computer， Stage， S/N ratio ��70dBMaterial ABSFrequency response 150Hz-18KHzInput Voltage DC5VBattery 3.7v/400mAhOutput Power 3w(1kHz，THD1%)Low MOQ Supportstyle bluetooth speaker