SC211 Pro Outdoor Multi-function Card Wireless Bluetooth Speaker Upgraded Version 1. Portable design, easy to operate and easy to carry. 2. Bluetooth 5.0 technology, RDA program. 3. Support to connect two speakers at the same time, TWS in series 4. Transmission distance: about 12m 5. Battery capacity: 1200mAh 6. Input: DC 5V2A 7. Charging time: 3-4h 8. Playing time: 8-10h 9. Wireless bluetooth connection, 3D sound effect 10. Adopt large-diameter high-fidelity speakers, with bass and large diaphragm 11. The shell is made of PC+ABS, fine workmanship, strong and wear-resistant 12. Built-in dual decoding chips, stronger signal, one-key automatic channel search Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.