ZEALOT S16 Portable Smart Touch Stereo Heavy Bass Wireless Bluetooth Speaker with Built-in Mic, Support Hands-Free Call & TF Card & AUX (Black)

1. Smart touch screen, simple operation
2. Subwoofer dual speakers, stereo surround
3. Support TF card (32G Max), can also be used without Bluetooth
4. Built-in sensitive microphone intelligent noise reduction, clear call
5. AUX audio input, easy wired connection
6. The USB output charging port is a speaker and an emergency mobile power supply
7. IPX4 life waterproof and dustproof

specification:
1. Bluetooth version: V5.0+EDR
2. Speaker: 5W4 Euro
3. Transmission distance: about 10m
4. Frequency response: 80Hz-20KHz
5. Signal to noise ratio: 85dB
6. Working voltage: 3.7V
7. Charging voltage: DC5V
8. Charging port: Micro USB
9. Battery capacity: 4000mAh
10. Talk time: about 6h
11. Music playback: about 4h
12. Standby time: about 30 days
13. Charging time: about 4h (different charger specifications time are different)
14. Output power: 10W
15. Size: 179x80x80mm