Features: Advanced noise-canceling technology reduces unwanted low frequency background noises, allowing you to focusing on your music, movie or phone calls. Flexible rotatable microphone can be adjusted to a suitable position at any time. It’s also great for call centers, truckers, and remote employees. The Bluetooth-compatible chipset technology provides a fast, efficient, and stable signal, you can walk around your house with headphones on for moving up to 33ft/10m away from your connection device. This headset provides you a comfortable wearing experience for intensive all day use. The soft cushion ear pad provides a comfortable around ear fit for all day listen. You can adjust the headband to most comfortable size for your head. Prevent the headphone from slipping of your head. Specifications: Component:ABS Type:Single Ear/Double Ear Communication distance: 10m Charging time: about 2h. Continuation time: about 15h. Power input: 5V/0.5A Straight diameter of laba: 3 0MM Bluetooth-compatible Edition: 5.3 Frequency response: 20HZ-20KHZ. Impedance: 32Ω Size:Approx.135mm/5.31inch Package Includes: 1Pc Wireless Headset note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.