WS898 Live Wireless Bluetooth Microphone with Audio Function 1. Material: ABS, electronic components 2. Function: Bluetooth 5.0, music playback, call, built-in FM radio 3. Power supply voltage: 5V 4. Frequency response: 100HZ-10KHZ 5.FM radio: 88-108HZ 6. Speaker: 4545 external magnetic 7. Connection method: USBTFBluetooth connectionAudio cable connection 8. Built-in battery: 1800mAh lithium battery 9. Battery life: 3-6 hours 10. One key to eliminate the original sound, easy operation, adjust at any time 11. Anti-whistling, no stuck, no noise 12. Big speakers, low-frequency diaphragm, three-dimensional stereo sound 13. Using 3D textured metal mesh cover, high-density sponge, intelligent noise reduction and noise filtering 14. Dimensions: 5 x 20 cm 15. Weight: 399 grams packing list: -Microphone x 1 -Charging cable x 1 -Audio cable x 1 -Instruction manual x 1