Waterproof Portable Wireless Bluetooth Small Speaker

Product information Type: Portable speaker Connection method: Bluetooth connection Battery capacity: 2000mAh Frequency response range: 100HZ-20KHZ Output power: 5W Signal to noise ratio: ≥75dB Power supply: built-in lithium battery Channel: 2.1 Play time: 20 hours Extended storage: not supported Bluetooth protocol: CSR Bluetooth 4.0 Number of speakers: 2 Effective distance: 10 meters Function: Waterproof, dustproof, drop-proof, call function Operation mode: button Applicable people: outdoor, cycling Display: None Play format: MP3, WMA, WAV, FLC, APE Shell material: plastic Whether to support APP: No Speaker adjustment method: button Is there a radio function: None Box material: ABS Appearance size: 101*101*47MM Power mode: USB Packing list Audio line 1 1 charging cable A wrist strap lanyard A manual