Speaker Main functions: Super Bass High Quality Sound FM Radio ,Bluetooth 3.0 IP67 Waterproof Specification: 1.Support A2DP,AVRCP, Handsfree profile. 2.Bluetooth Version:V3.0+EDR Class 2 3.Working Range:Up to 10metes 4.Dimension:180mm*63mm*63mm 5.Net Weight:587g 6.Speaker:40mm 7.Loudspeaker Output:2*3W 8.Frequency Response:280HZ-16KHz 9.Signal-to-Noise:>=95dB 10.Distortion: <=0.5% 11.Battery Voltage/Capacity:1800MAH 12.Battery Charging Voltage:5V+/-0.5V 13.Battery Charge Time: 4hours 14.play time values for speakers :10hours 15.Standby time:200 hours 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. Pakage List: 1 x Bluetooth Waterproof Speaker 1 x User Manual