Compatibility: PCs, Macs, and Chromebooks - Microsoft Surface, and USB equipped tablets and laptops
Features: USB connection for use with most any computer system
In-line volume and mute control
Unidirectional noise-canceling microphone
Leatherette ear pads
Ambidextrous boom for left/right side use
Adjustable headband
Classroom tested durable design
Braided TuffCord
Operating Time: 650mAh Battery Capacity Charging Case It Can Provide 5 times of 100% charging for left and right headphones,The fully charged BX30 earphones can bring 60Hours Playback times in Total, Get Rid of Standby Anxiety.
Operating Time: The wireless earbuds can play music for 18 hours continuously. It is equipped with a large capacity digital display charging case, which extends the music playing time to 120 hours.