--compatible with Bluetooth-compatible , smart phones, computers, and tablet digital devices
--ergonomic in-ear design: close to the ear canal, more comfortable to wear
--A dual-purpose design: Two earphones can be connected to one device at the same time, share music with others or enjoy binaural surround sound alone
--Simple button operation: convenient and quick, Pick up the automatic boot matching
--Intelligent noise reduction: reducing environmental noise, making the call clearer.