Portable Neckband Headset

Specifications: Plug Type: Wireless Resistance: 22Ω Function: For Mobile Phone,For iPod,Sport,Common Headphone Wireless Type: Bluetooth Line Length: 0.3m Frequency Response Range: 18-22000Hz Sensitivity: 98dB Style: Ear Hook Connectors: USB Color: White,Black,Red,Blue,Green Type: Sport Bluetooth In-ear earphone Bluetooth version: Bluetooth V4.1 Microphone: Built-In Operation distance: up to 10M Charging time: about 2 hours Efficient working time: about 3 hours Standby time: up to 100 hours   Features: 100% Brand new and high quality. Ergonomic in-ear design with ear hook, unique and cool Bluetooth V4.1+EDR, support stereo music Volume control, volume down/up, next/previous song Built-in rechargeable battery, come with a charging cable Noise cancellation design, perfect sound quality Compatible with most Bluetooth enabled cell phone/Tablet/PC/Laptop Support systems: Windows/IOS/Android Hands-free while driving/walking/sporting