Waterproof Mini Wireless Bluetooth-compatible Speaker Portable Mushroom-shaped Speaker Rechargeable

Description: Name: Bluetooth-compatible Speaker Rated impedance:4.0hm Rated power: 3W Rated voltage: DC5V Frequency response: 3dB RMS: 1.2W Frequency scope: 170-15KHz Power supply: DC 5V Built-in Li-ion battery Speaker: 2 inches Packing list: Bluetooth-compatible Speaker x 1 Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.