Oneder D8 Wireless Retro Dual Microphone Bluetooth Speaker 1. Bluetooth version: V5.3 2. Frequency response range: 100Hz-20KHz 3. Signal-to-noise ratio: about 75dB 4. Rated power: 60W 5. Battery capacity: 7.4V8000mAh 6. Charging time: 2-3h 7. Play time: 6-8h 8. Function: BTTFUSBFMAUX 9. Bluetooth 5.3 free connection, faster transmission, lower power consumption, stronger anti-interference ability, simple connection, free playback 10. Compact model, light luxury and retro style, more refreshing home furnishing, design aesthetics, integrated into life with sound 11. Bi-metal diaphragm, explosive listening feast 12. Long battery life and large battery, 8000mAh high-capacity polymer lithium battery dual design, slow playback time up to 8 hours 13. Stereo acoustics, the sound is wider and farther, HIHI sound quality is superior, full-range unit structure 14. Leather structure box, specially customized mesh, retro travel button style buttons Packing list: Bluetooth speaker x1, USB charging cable x1, audio cable x1, Chinese and English manual x1, microphone x2