ZEALOT A2 Multifunctional Bass Wireless Bluetooth Speaker, Built-in Microphone, Support Bluetooth Call & AUX & TF Card & LED Lights (Dark Green)

1. Detachable portable shoulder strap
2. The mesh cover protects the speaker from water, dust and vibration
3. High sound quality stereo, support TF card or Micro SD card
4. Call function, noise cancellation microphone, let you answer the call without touching your phone
5. LED light function, your good outdoor helper

specification:
1. Bluetooth version: 5.0
2. Battery capacity: 4000mAh lithium battery
3. Speaker: 3W
4. Transmission distance: about 10m
5. Frequency response: 10Hz-20KHz
6. Signal to noise ratio: 85dB
7. Working voltage: 3.7V
8. Charging voltage: DC 5V
9. Charging port: Micro USB
10. Talking time: about 10h
11. Music playback: about 10h
12. Standby time: about 90 days
13. Charging time: about 2.5h (different charger specifications time are different)
14. Size: 168x52x52mm