High Quality Wireless Bluetooth Headset: Premium bluetooth adopt CSR chip and CVC6.0 noise cancelling technology reduce noise and echo cancellation for clear, crisp call quality while in the driving or at the gym. Special Function: It has all the function of normal bluetooth earphone, and these special functions: voice reminder,caller ID broadcast,IOS system battery capacity display,incoming calls or reject callsreplay the last number and so on. Built-in Charging Port: Super long battery life, standby time up to 100 hours after a 3 hours full charge. Ultralight and Comfortable: Lightweight and compact. convenient to carry in your bag for daily use or travel, lightweight stylish design, perfect for running, cycling, exercising and staying at home or in the office, etc. Multiple Compatibility: with Bluetooth V4.0, easy and fast pairing with smartphones, iPhone, samsung, tablets and other bluetooth enabled devices and automatically reconnects after being paired successfully first time, enjoying your calls with no signal dropouts. Specification: Material: Plastic Size: Approx. 45x14 mm/ 1.8x0.6 inch Support: Bluetooth 4.0 Compatiable with Android, IOS Systerm Package Includes: 1 Piece of Wireless Bluetooth Earphone 1 Piece of USB Charging Cable 1 Piece of Using Manual