Ergonomic Design: Bluetooth Earpiece Full In-Ear with Ergonomic Design for Business, Office, Driving and Trucker.Earhook Rotation of 180° Vertically and 360° Horizontally, Rotation of Headset Receiver 45° for Comfortable Fit and Free Switching Between Left and Right Ears. Dual Mic Noise Cancelling Headset : wireless headset combines 2 built-in HD microphones and advanced noise reduction technology which can eliminate background noise without missing any single conversation details. Don't worry about interruptions on listing to music or calling. Hands-free for Phone Calling: bluetooth headset is designed with a lightweight hanging ear, which is comfortable and durable. Support voice wake-up Siri, you can call without holding the phone. Use multi-function buttons to avoid accidental touches. mini headset can be easily controlled on the headset, which is very convenient for people who often drive. Bluetoth V5.1 &One Step Pairing: Adopt bluetoth v5.1 technology can provides low latency and stable connect with most bluetoth device, like iOS or Android smart phones, tablets, laptops from up to 10m away without signal loss or music dropouts.Stable wireless bluetoth headset for cell phones. Picking up the bluetoth earphone from the charging case,it will power on automatically with a voice prompt"Power on"and then activate mobile phone bluetooth to search to connect. LED display & 80H: The built-in high quality battery allows up to 12-15 hours of continuous talk time when fully charged for 1.5 hours. With the charging case can rechieve 80 hrs long standby. This in ear Bluetooth Earpiece is recommended for those who are on long distance travel. Ear buds are small in size, easy to carry. phone Earphone can be charged by Type-C Cable Directly or charged by Charging Case. (Note: Playing time may vary depending on playing content, playback volume).