With IPX6 level waterproof function Using Bluetooth 5.2 technology, stable playback speed without delay Built-in 2400mAh battery With LED ambient light Products with a grip, easy to carry Power: 20W Speaker: 4ohm 10W side 45mm x 2 + bass cone device x 2 Effective distance: less than equal 10M Playing time: 2-10 hours Charging time: less than equal 3H Signal-to-noise ratio: equal 80dB Frequency response range: 100HZ-20KHZ Charging interface: Type-c Colour:black Material:plastic Size: 8.6 x 8.6 x 22.2cm Package Contents: 1 x Speaker 1 x TYPE-C charging cable 1 x Audio cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.