Klide retro design bluetooth speaker with FM radio USB reader and hands-free micro SD card

Vintage design Bluetooth 5.0 connection speaker. Rotary volume control knob. Made of ABS plastic with Bluetooth 5.0 connection. Functions: - Hands-free, - USB player, - Micro SD card slot - FM radio. Auxiliary line input via 3.5mm jack connection and non-slip base. Compatible with iOS and Android, includes micro USB charging cable. • Bluetooth version 5.0 • Charging voltage: 5V • Lithium battery 400mAh, 3.7V • Operating time: Up to 4h • Operating distance: Up to 10 meters • Frequency: 20Hz-20KHz • Impedance: 4Ohms • Power: 3W • THD: less than 2% • SNR: 70dB • Supports Micro SD Cards up to 32GB PVC Metal Alloy