YOUOOK Bluetooth Headset Wireless Earpiece V5.1 with Built-in Mic - Hands-Free Headphones for Phone Calls - Compatible with iPhone, Android, PC, Tablet - Perfect for Business Meetings, Office Work & Driving (Black)

Specification:Item type: Wireless Bluetooth HeadsetMaterial: ABSColor: As picture shownWeight: Approx. 44gBluetooth version: V5.1Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Bluetooth use frequency band: 24GHzBluetooth transmission distance: Approx. 15 m/49.2ftHeadphone battery capacity: 300 mAhBattery type: lithium batteryStandby time: about 210 hoursTalk/play time: about 20/156 hoursCharging time: about 1 hourPackage List:1 x Earphone1 x Earplug1 x Charging cable1 x InstructionThank you very much for your trust and support, and I wish you a happy life.

HIFI, professional sound quality, lifelike, shocking stereo.

10mm/0.4in true three‑dimensional composite film copper ring speaker, enjoy the music feast.

Automatically pair at boot, fast connection in seconds.

Left and right ear universal, very convenient and practical.

Built-in battery, standby time is about 210 hours.