D30 Portable Subwoofer Wooden Bluetooth 4.2 Speaker, Support TF Card & 3.5mm AUX & U Disk Play(Black) Filter-Rewritable Drive buffer external impact force

buffer external impact force

good performance cloth

Transparent box design

4 inch A1398 (2012 - 2015) / MC975 / MC976 / ME664 / ME665

7 GHz symbol rate

D30 Portable Subwoofer Wooden Bluetooth 4.2 Speaker, Support TF Card & 3.5mm AUX & U Disk Play(Black) Filter-Rewritable Drive buffer external impact force1. Rated power: 8*2=16W 2. Speaker: 3 inches * 2 3. Box: Wooden box 4. Panel: Mesh 5. Volume adjustment: knob 6. Power supply indicator: battery powered 7. Battery capacity: 4500 mAh 8. Card function: TF card U disk 9. Bluetooth function: version 4. 2 10. AUX input: 3. 5mm audio input 11. Connection method: Bluetooth 3. 5mm audio input, TF card, U disk 12. Playing time: 4 6 hours 13. Product net weight gross weight: 1450g 1740g 14. Product size: