【Fits Either Ear! High-Performance Bluetooth Headset】 Great for business or sports! These Bluetooth earphones are designed with ergonomics in mind, making them comfortable to wear for extended periods. ✅ Single-ear headset, perfect for calls ✅ Can be worn on either ear (180° rotation) ✅ Bluetooth 5.0 for stable connection ✅ Noise reduction function for clear call quality ✅ Long-lasting battery: Up to 20 hours of talk time, 60 days standby 【Product Details】 Product Name: Single-Ear Bluetooth Headset Included: Main unit, USB charging cable, instruction manual (English) Bluetooth Version: 5.0 Color: Black (Silver Black) Wearing Style: Ear-hook type (for either ear) Rotation Function: Earphone part rotates 180° Sound Quality: HD voice, Hi-Fi quality Talk Time: Approximately 20 hours Music Playback Time: Approximately 15 hours Standby: Approximately 60 days Charging Time: Approximately 1-1.5 hours Features: Lightweight design, comfortable for long-term wear 【Upon Receiving Your Product】 First, please charge the headset for at least an hour before using it. 【Recommended for People Who】 ・Want to make business calls comfortably ・Are looking for earphones that can be used while walking or running ・Are looking for earphones that won't hurt even after long hours of use ⚠️ Important Notes ・Can be used with devices that have Bluetooth connectivity. ・As it is a single-ear type, music will be played in mono. ・The power button is located on the phone icon on the back of the earbud. Please feel free to comment if you have any questions! Instant purchase OK, first come, first served!