Freely switch the modes with handlebar mounted controller

Audio Recording

Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside

over-voltage protection

Function 3: Wireless headphone Bluetooth bass

i9s Bluetooth Headset Wireless Headphones Auto pair Stereo TWS Earphones with Charging box For iPhone 7 8 X Xs Xr Xiaomi Huawei Battery Freely switch the modes withPlug Type: Wireless Function: For Mobile Phone,For Internet Bar,for Video Game,Monitor Headphone,HiFi Headphone,For iPod,Sport,Common Headphone Wireless Type: Bluetooth Connectors: None Style: Neckband Communication: Wireless Support Memory Card: No Resistance: 30 Is wireless: Yes Support APP: No Model Number: Bluetooth headphone i9s earbuds Brand Name: MR. YIKUU Line Length: None With Microphone: Yes Frequency Response Range: 20 20000Hz Active Noise