[Comfortable to wear, ergonomic design] The ear hook is designed to fit the shape of your ears. The bluetooth earpiece only 0.5 oz (14 g) which alleviates pain and ear fatigue. In addition, the ear piece can be rotated 180° and the ear hook can be rotated 360° according to your preferred angle. Streamlined design based on the ear line provides a comfortable fit for both left and right ears(complimentary a replaceable ear cap). [Multi-functional buttons & Connect to 2 Devices Simultaneously] The buttons on the earpiece allowed you to play or pause music, answer/end/reject calls. To activate voice control such as Siri and Google Assistant has never been easier, which makes this earphone perfect for driver. It can also be connected with 2 devices simultaneously such as laptop and smartphone, iPhone and Android etc. On the other hand, improves your productivity and helps with multi-tasking. [Microphone for Calls & Hands-Free Call] Bluetooth headset applied to Business work, it is easy to listen to other people through this earpiece, at the same time prevents the white noise in your background. When receiving an incoming call, you can answer incoming calls as is, freeing both hands, making it convenient for you to talk with the caller. [Charging case with LED display, long standby] The built-in high quality battery allows up to 10 hours of continuous talk time when fully charged for 1.5 hours. With the charging case can rechieve 400 hrs long standby. This Bluetooth headset is recommended for those who are on long distance travel. Earbuds are small in size, easy to carry. Charge Bluetooth earpiece with TYPE-C charging cable. [Bluetooth V5.2 & CVC8.0 Noise Cancellation] Bluetooth earpiece for cell phones adopts the bluetooth V5.2 technology, it can achieves faster and more stable transmission. The wireless earpiece is equipped with advanced noise-cancelling technology that produces a distortion-free, crystal clear and balanced quality of sound. Noise-cancelling microphone reduces ambient noise making it ideal for noisy office environment.