Heayzoki V9 Wireless Headset

How to Use: Turn on the Bluetooth connection and use it. Specification: Item Type: Bluetooth Earphone Model: V9 Colour: Black Material: ABS Function: Transmission Scope of Application: Smart Devices with Bluetooth Bluetooth Version: Bluetooth V4.2 Built In Battery: Polymer Lithium Battery Battery Capacity: 400mAh Talk Time/Music Time: 14 Hours Standby Time: 180 hours Charging Port: Micro USB Transmission Distance: Approx. 10m / 33ft Resistance: 16 ohms Rotate 180 degrees, can be worn on left and right ears Package List: 1 x Earphone 1 x Charging Cable 1 x Ear Cap Note: Manual measurement has 1‑2cm error.