Features: 1. Bluetooth 3.0, effective transmission distance of 10m. 2. 5W high-power speaker, the sound is transmitted clearly and the sound is loud and not distorted, the b is thick, the sound is thick and the treble is strong, the sound is bright, and the explosive power is powerful. 3. Support MP3 audio format. 4. Support Bluetooth, TF card, U disk to play music. 5. Cute shape. Specifications: 1. Battery specifications: 800mAh 18650 lithium battery. 2. Power supply mode: DC 5V. 3. Bluetooth chip: Jerry. 4. Bluetooth version: 4. 2. 5. Charging time: 4 hours. 6. Product material: Tang gum. 7. Frequency: 50-20KHZ. 8. Audio frequency: 87.5-108MHz. 9. Speaker parameters: 52mm full frequency magnetic speaker. 10. Output power: 3W. 11. Signal to noise ratio: 80dB. 12. Communication distance: 10m. 13. Product size: 119x198x210mm. Packing list: Speaker x 1 Micro USB charging cable x 1