Wireless Bluetooth Earphones- Single Stereo Headset. Wireless Bluetooth Earphones Stereo Headset 170mAh Single Handsfree with Microphone Business Bluetooth Headphones For Driving Feature: 1. Bluetooth Compatibility, Stability and Function Are Enhanced by Adopting High-level Bluetooth Protocol. 2. The Receiver Can Rotate 180 Degrees and Be Worn in Both Left and Right Ears. 3. One Drag Two Function, Headset Can Connect Two Mobile Phones at the Same Time 4. Support Bluetooth Power Display, Keep Abreast of Headphone Power and Charge It in Time, So As to Arrange the Use Time Reasonably. 5. Equipped with Super-large Power Batteries, Long-lasting Service, to Meet the Market Needs of a Variety of Occupations for Large Power Headphones. 6. Drive Safely-Uninterrupted. Adding a Guarantee for Your Safety. 7 . Ergonomic Design, So That the Ear Force is Even, Ear-hanging Wear, Very Comfortable, Long Wear Pain.. Products are HANDMADE by our artisans, please allow some time for production specially f or you. Price includes fast tracked express courier shipping worldwide.Bluetooth version: 5.0Receiving distance: 15 meters without barriersLife time: 16 hoursStandby time: 200 hours