GREATNICE GTS-1386 Bluetooth, USB, TF Card & FM Radio Supported 4 Inch Driver Lighting Effects Speaker

Wireless Transmission Range: up to 10 meters

1. Speaker size: 4 Inch
2. Wireless transmission range: up to 10m
3. Frequency response: 100Hz-20kHz
4. Signal to noise ratio: >=80dB
5. FM scan range: 87.5-108.0MHz
6. USB Charging: DC 5V
7. Battery Capacity: 500mAh
8. Max memory support(USB/SD) : 32GB
9. Charging time: 2 hours
10. MIC not supported
11. Product Size 14.1x 8.2 x19.2 cm