1.OPEN EAR DESIGN: The open ear clip headphones utilize air guided sound technology that transmits sound directly to your inner ear without the need for earplugs. Avoid any potential pain and comfortable to wear. 2.Bluetooth-Compatible 5.4 Chip This headset utilizes the latest Bluetooth compatible 5.4 chip for a stable connection. It ensures lower power consumption and efficient processing performance. 3.FAST CHARGING: Fully in just 1.5 hour via fast charging Type C cable. 7h long battery life, actual playback time depending on usage and environment. 4.Universal CompatibilityWhether it's a smartphone, tablet or laptop, you can easily pair them for use. Enjoy wireless audio on a variety of devices with ease. 5.SUPERIOR SOUND QUALITY: Adopt 14.2MM dynamic driver unit with advanced sound processing technology cavity structure. Presenting bass deep treble bright, midrange thick, clear and transparent HiFi sound quality. Colour:D:Green Material:ABS Package Contents: 1 x earphone 1 x USB charging cable 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.