TOZO Open Buds 軽量の完全ワイヤレスイヤホン。長時間の快適さを実現するオープンイヤーデュアル軸設計。

Check the setting of answering method on your cell phone and confirm if need some setting when connecting the Bluetooth device.

Here are some methods for your reference.

·Download a Bluetooth receiver to connect(in the computer settings)

·Kindly check if your computer’s Bluetooth version supports Bluetooth 5.3

Long press L or R earbud to adjust the volume while playing music.

# R earbud Volume +

# L earbud Volume -

The volume adjustment is not available when it`s connected to a TV and computer.