EWA A129 Mini Bluetooth 5.0 Bass Radiator Metal Speaker 1. Bluetooth version: 5.0 2. Bluetooth distance: 10M 3. Rated power: 5W; 4. Frequency response: 100hz-18khz 5. Distortion: thd < 10% 6. Playing time: 4 hours 7. Charge time: 2 hours 8. Bluetooth frequency: 2.4-2.48GHZ 9. Battery Specification 3.7v600ma 10. Weight: 280g 11. Package included: A. 1 x Bluetooth speaker B. 1 x USB cable C. 1 x User Manua 12. Big power with small volume, redefines the super bass concept,the speaker comes equipped a downward passive radiator 13. Featured super bass give you high-fidelity music enjoyment. Fully equipped custom-made high-performance 3W neodymium driver, surprisingly loud with well-balanced sound 14. Upgraded to Bluetooth 5.0, featuring robust signal transmission and low-power operation, all for an enhanced audio experience. 15. You can connect two speakers wirelessly to create a stereo sound system, achieving left and right channel playback for a more immersive stereo music experience.