ZEALOT S30 Portable Heavy Bass Stereo Wireless Bluetooth Speaker with Built-in Mic, Support Hands-Free Call & TF Card & AUX

1. Portable leather hand strap, easy to carry
2. Subwoofer dual speakers, stereo surround
3. Support TF card, can be used without Bluetooth
4. Built-in sensitive microphone intelligent noise reduction, clear call
5. AUX audio input, easy wired connection
6.1800mAh large-capacity battery lasts for a long time, standby time up to 30 days

specification:
1. Bluetooth version: V5.0
2. Speaker: 4 ohm 5W x2
3. Transmission distance: about 10m
4. Frequency response: 20Hz-20KHz
5. Signal to noise ratio: 90dB
6. Working voltage: 3.7V
7. Charging voltage: DC5V
8. Charging port: Micro USB
9. Battery capacity: 1800mAh
10. Talk time: about 3h
11. Music playback: about 3.5h
12. Standby time: about 30 days
13. Charging time: about 2.5h (different charger specifications time are different)
14. Size: 198x80x90mm