Feature: 1. Mini portable wireless earphone with built-in microphone and powerful noise canceling function, producing clear and loud sound, convenient and easy to answer and complete calls. 2. The Bluetooth-compatible 5.0 version supports hands-0 headsets, which can connect two mobile phones at the same time for easy pairing. 10 meters Bluetooth-compatible coverage. Compatible with most smartphones. --Specially designed for sports use, innovative ergonomics and waterproof and sweat-proof design make these earphones comfortable and safe during sports, running, jogging, hiking, exercising, etc.. --Stylish appearance and built-in Bluetooth-compatible chip with HiFi stereo headphones, make sure you can enjoy high-quality bass stereo. --Built-in microphone and powerful noise canceling function, producing clear and loud sound. --10 meters Bluetooth-compatible coverage. --Size: 72cm. Description: Name: Bluetooth-compatible Headset 1. Bluetooth-compatible version 5.0: CSR; 2. Telephone time: 6 hours; 3. Music time: 3 to 4 hours; 5. Standby time: 10 days; 6. Charging time: 1~2 hours; 7. Microphone: yes; 8. Size: 72cm; Packing list: 1 x Bluetooth-compatible Headset 1 x USB Charging Cable 1 x Packaging Bag Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don"'"t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.