【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 long periods without causing ear pain. ✅ Single-ear headset, perfect for calls ✅ Can be worn on either ear (180° rotation) ✅ Bluetooth 5.0 for a 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 (universal for left and right ears) 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 the Product】 First, please charge the headset for at least 1 hour before using it. 【Recommended for those 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 mark on the back of the earbud. Please feel free to comment if you have any questions! Instant purchase OK, first come, first served!