universal android iphone bluetooth headset wireless for huawei samsung glory note10 iphone x xs plusuniversal android iphone bluetooth invi

brand: sarndy use distance: about 6-10 meters version: v4.1 talk time: 4 hours or so headphone length: 4.5 cm listening to the song continuously: 3 hours or so charging time: about half an hour charging method: usb charging noise reduction: .cvc6.0 caller id: support cut song: support agreement: hfp/hsp/a2dp/avrcp/aptx function: caller number, one button answer/reject/switch. remote control p the last call is redialed. volume adjustment, listening to song pause/play,