Features: 1. Support TF card. 2. Support USB. 3. Support FM. 4. Support 3.5mm audio. 5. Press the button to play/pause, turn on/off, and turn the volume up/down. 6. Hands to rease your hands. 5. Built-in microphone to make the call easier. 7. Built-in 1200mAh capacity battery, playable time: 12 hours. 8. The bottom non-slip pad design ensures a firm position and prevents friction between the table and the speaker, causing the speaker to wear out. 9. Waterproof splash design, suitable for water splashing in daily life. 10. Bluetooth chip, compatible with a variety of Bluetooth-enabled devices on the market, such as mobile phones, tablets, laptops, etc. 11. Handle design and easy to carry. Parameter: 1. Bluetooth version: 5.1+EDR. 2. The effective distance is up to 10 meters. 3. SNR: greater than 80dB. 4. Speaker: 4ohms / 5W. 5. Frequency: 150Hz-15KHz. 6. Input: DC 5V. The package contains: Speaker x 1 Mirco USB charging cable x 1 Instruction manual x 1