LZ33 LED Portable Wireless Bluetooth Speaker Stereo Speakerphone Music Speakers for Computer with TF FM Specification: 1.Support A2DP,AVRCP, Handsfree profile. 2.Bluetooth Version:V4.0andEDR Class 2 3.Working Range:Up to 10metes 4.Speaker:52mm 5.Loudspeaker Output:2 x 5W 6.Frequency Response:85HZ-20KHz 7.Signal-to-Noise:ge90dB 8.Distortion: le0.5% 9.Battery VoltageCapacity:1200MAH 10.Battery Charging Voltage:5Vplusmn0.5V 11.Battery Charge Time: 2hours 12.play time values for speakers :3-4hours 13.Standby time:160 hours 14.Product Size: 240mm x 82mm x 88mm Main functions: Super Bass Sound With LED Light IP67 Waterproof (Ordinary waterproof, can't be use underwater) Warm reminder: This speaker is a waterproof speaker and is protected against accidental water ingress for a rugged outdoor or indoor use. It is not designed for use as an underwater speaker. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store