Portable Ear-hook Bluetooth Earphone has an ultralight and comfortable design, ergonomically-shaped in-ear plugs, and ear loops bring comfortable and no heavy feeling even after a long-time wearing. Connect seamlessly with all Bluetooth enabled devices up to 30 feet away. Built-in microphone makes it easy for you to receive and make calls without needing to take up your phone from pocket or bag. Equipped with a mute button, support mute microphone, if you don't want the other party to hear your voice.
Style: Ear Hook Connectors: USB Frequency Response Range: 20-20000Hz Plug Type: Wireless Working Voltage: 3.3-4.2V