UBON BT-40 Wireless in-Ear Earphone with Built-in TF-SD Card Neckband with Mic Hi-fi Bass

Built-in TF/SD card player that supports all brands. Up to 6 hour battery life - Built-in rechargeable Li-ion battery. Tangle-free cord round cable which is durable and won’t tangle up in knots. Easily control your sound and manage calls from your earphone with convenient three-button inline remote with microphone.