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

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