Hyundai waterproof wireless with good sound

Brand: Hyundai
Product color: Black
Description: Type: mono, total power: 20 W, wireless: Bluetooth
Type: Mono
Signal to noise ratio: 80 dB
Control: Push-button
Housing material: Plastic
Battery type: Your own
Degree of protection: IPX6
Wireless connection: Bluetooth
Nutrition: Autonomous
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 100 Hz
Bluetooth version: 4.2
Total power: 20 W