Marshall Willen Wireless Bluetooth-compatible Speaker Outdoor Waterproof Callable Portable Speaker

Description: Product Name: Speaker Bluetooth-compatible version: 5.1. Power Mode: USB. Output power: 10-20W. How to operate: Press the button. Connection method: Bluetooth-compatible connection. Interface type: USB. Effective distance: 10M. Signal-to-noise ratio: ≥85dB. Packing list: Speaker x 1 Charging Cable x 1 Instructions x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.