Frequency Response :60HZ-15KHZ

Effective distance:10m

Bluetooth version :5.1

Net weight:0.2g

Built in Fan battery capacity:500mAh-800mAh

Rated voltage:3.7V



Characteristic:

Handsfree Powerful Battery Handle Design Stereo sound

Efficient Compatibility Wireless Tf Card Play Aux Audio Cable



Function：

Bluetooth，hands-free calls