Features: Hanging Ear Wear: The headset according to the ergonomic design curvature, fit the ear, ear force evenly, giving you a comfortable wearing experience as if nothing. Smooth Surface: The surface of the headset has been sprayed with rubber oil, as delicate and smooth as skin, and you will love it every time you touch it. Comfortable to Wear:The weight of the headset is as light as 15g, you can barely feel the weight in the ear, and it is still comfortable to wear for a long time. Noise Cancellation: This Bluetooth-compatible headset has a noise cancellation function, even when you are in a noisy environment, you will not be disturbed by the outside world, enjoy the world in the headset, and make your body and mind more pleasant. Quality Assurance: Our product will definitely win your heart with its premium quality! If you have any inquiries, please contact us. Specification: Size:55*42*1.7cm Color: Black Weight: 15g Bluetooth-compatible version: V4.2 Signal range: 10m Charging current voltage: 5V 0.5A Battery capacity: 75mAh polymer Continuous talk time: About 10-12 hours Standby time: About 280 hours Notes: Due to manual measurement, please allow a slight error in size. Due to the difference between different monitors, the picture may not reflect the current color of the item.