Wireless headset from HOCO. It allows you to enjoy your favorite music and make calls without the need for a cable. Wireless range allows you to play high-quality, clear sound without having to reach for the cable. The compact size makes the set easy to carry and store. Lightweight design does not burden the ears, ensuring comfortable use even during prolonged listening to music. The built-in microphone allows you to talk freely. Perfect for many situations - when you are cycling and in the car, on the way home or work, whenever you need both hands. Specification: Material: ABS Size: 24 × 16 × 23 mm Weight: 3 g Bluetooth version: 5.0 Battery capacity: 40 mAh Charging time: 50 minutes Talk / music time: 4 hours Standby time: 100 hours Speaker: 8 mm Voice prompt switch: when not connected, double-click the multi-function button and you will hear a beep