ZEALOT S7 Portable Smart Touch Stereo 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 or Micro SD card, can be used without Bluetooth 4. Built-in sensitive microphone intelligent noise reduction, clear call 5. AUX audio input, easy wired connection 6. 2A output charging port, it is a speaker and an emergency mobile power supply 7. Built-in large-capacity battery has long battery life, and can listen to songs continuously for 20 hours specification: 1. Bluetooth version: 4.2 2. Speaker: 2 ohm 8W x2, 2 ohm 5W x2 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: 8000mAh 10. Talk time: about 8h 11. Music playback: about 8h 12. Standby time: about 30 days 13. Charging time: about