WK D21 Witdeer Series Portable Wireless Bluetooth Speaker Support TF Card & AUX & U Disk

1. Built-in noise reduction microphone, hands-free call, voice prompt
2. Stereo surround sound, more powerful bass
3. Bluetooth 5.0 stable connection, strong anti-interference
4. 10 meters wireless transmission distance, high efficiency and stability, strong compatibility
5. Built-in 1800mAh/3.7V lithium battery, long-lasting battery life
6. Support TF card & U disk & 3.5mmAUX playback

Specifications:
1. Input: DC 5V 1A
2. Speaker: 5W 52mmx2
3. Transmission distance: 10m
4. Product size: 420x65x70mm
5. Material: ABS+PC+cloth net
6. Frequency response: 80-18kHz
7. Charging method: Micro USB
8. Impedance: 4 ohms
9. Playing time: 6-8h
10. Charging time: 3-4h