Headphone type: in-ear headphones. oppo, vivo, Lenovo, tablet, etc. (With Bluetooth, you need to use a Bluetooth adapter). Bluetooth protocol: HFP/HSP/A2DP/AVRCP. Function: music play / pause, call answering noise reduction, IOS power display, voice promptBluetooth version: V5.0Compatible devices: Bluetooth devices such as for Xiaomi, Samsung, Apple, Huawei.
eBay