Active Noise Cancellation blocks outside noise, so you can immerse yourself in music Transparency mode for hearing and interacting with the world around you

High Fidelity & Clear Bass Effect : This headphone supports various sound effects adjustment, easily realize the sound quality you prefer Universally Compatibility: Suitable for most Bluetooth-enabled devices, such as for Android Smartphones & iOS Smartphones Over-ear & Adjustable headband Design: Adjust the headband for tight and comfortable wearing by yourself, no worries of the headset falling Multi functional Design: Support wireless connection via Bluetooth; Support SD card playback, insert the SD card into the headphone to play music when there is no phone Built-in Battery: With high performance rechargeable polymer battery, this headphon e provides 8-10 hours of music time, less than 1 hours of charging time