Fangrui Product Details 1. Oneder D3 Retro Leather Casing 30w Dual Units Wireless Bluetooth Speaker 2. Use Bluetooth 5.0 Module For Faster Transmission, Lower Power Consumption, Stronger Anti-interference Ability, Simple Connection, Free Play 3. Exquisite Model, Light Luxury Retro, Home Matching, More Refreshing And Lower Design Aesthetics, Integrated Into A Sound Life 4. Double Metal Diaphragm Explosive Auditory Feast 5. Time Carving Classic Continue Forever, Specially Customize Cloth Net, Retro Knob Button 6. Long Ecdureance Large Battery, 4000mah High-capacity Polymer Lithium Battery With Dual Design Slow Down The State Of The Playback Time Up To 8 Hours 7. Stereo Phonics The Sound Is Wider And Further, Hifi Sound Quality, Super Strength 48mm Full Frequency Unit Structure 8. Leather Casing, Compared To The Thinness Of The Plastic And The Coldness Of The Metal, More Warm Tone, Warm World Is Beautiful 9. Classical Luxury The Gift Of Life, When The Melody Starts, Happiness Starts Instantly. 10. Specifications: 11. Bluetooth Version: V5.0 12. Transmission: 10m 13. Output: 30w 14. Frequency: 50hz-16khz 15. Driver: 2 Inch X 2 16. S.n.r: >=85db 17. Battery Capacity: 7.4v 4000mah 18. Charging Time: 3-4 Hours 19. Working Time: 6-10 Hours 20. Product Size: 170x80x80mm 21. Package Included: 22. Bluetooth Speaker X 1 23. Usb Cable X 1 24. Audio Cable X 1 25. User Manual X 1