1. Material: ABS 2. Support: Bluetooth/Phone Call/LED Colorful Light 3. Bluetooth Version: 3.0 4. Transmission Distance: 10-30M 5. Amplifier Specifications: 3W x 1 6. Speaker Specifications: 40/3W 7. Frequency Response Range: 100HZ-20KHZ 8. Signal-to-Noise Ratio: 70db 9. Interface: Type-C/USB-C 10. Battery Capacity: 500mAh 11. Play Time: About 2-3 Hours 12. Product Size: 6 x 4 x 4cm 13. Product Net Weight: About 54.7g 14. This product is measured manually, and there may be an error of 0.1-0.2mm and 0.1-0.2g in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product! 15. Note: The shipment only includes the speaker, not other items in the picture!