ZEALOT S39 Portable Subwoofer Wireless Bluetooth Speaker with Built-in Mic, Support Hands-Free Call & TF Card & AUX

1. Portable adjustable shoulder strap, easy to carry 2.60mm dual magnetic loudspeakers, stereo surround 3. Support TF card and U disk playback, can also be used without Bluetooth 4. Built-in sensitive microphone, smart and clear call 5. AUX audio input, easy wired connection 6. Smart touch buttons, non-slip and sensitive specification: 1. Bluetooth version: V5.0 2. Speaker: 4 ohm 18W 3. Transmission distance: about 10m 4. Frequency response: 80Hz-20KHz 5. Signal to noise ratio: 85dB 6. Working voltage: 7.4V 7. Charging voltage: DC5V 8. Charging port: Micro USB 9. Battery capacity: 3600mAh 10. Talk time: about 3h 11. Music playback: about 3h 12. Standby time: about 30 days 13. Charging time: about 4h (different charger specifications time are different) 14. Output power: 20W 15. USB input: 5V 2A 16. Size: 375x154x150mmSpecification: Package Weight One Package Weight 2.35kgs / 5.19lb One Package Size 38cm * 17cm * 18cm / 14.96inch * 6.69inch * 7.09inch Qty per Carton 4 Carton Weight 11.30kgs / 24.91lb Carton Size 40cm * 36cm * 38cm / 15.75inch * 14.17inch * 14.96inch Loading Container 20GP: 487 cartons * 4 pcs = 1948 pcs40HQ: 1131 cartons * 4 pcs = 4524 pcs