Professional noise-canceling headphones - Humanized adjustable dust-proof high-sensitivity microphone enables the latest noise reduction technology, can accurately pick up your voice and block noise from the surrounding. Even in noisy environments, OY632 can ensure clear calls Wireless headset with mute button - There is a mute button on the microphone, if necessary, just press the button to mute your voice during a call. The mute button is only effective when making a call Lightweight and comfortable Bluetooth-compatible 5.3 earphones - Skin-friendly and soft ear cushions, flexible headband and ultra-light design, ensure that you can focus on talking and have a comfortable wearing experience Compatibility and music playback function - OY632 wireless Bluetooth-compatible headset can be paired with any Bluetooth-compatible device, and can connect to 2 devices at the same time, such as mobile phones, tablets, computers, etc. You can also use it to enjoy clear music Type-C fast charging, super battery life - OY632 can provide up to 17 hours of continuous talk time and 100 hours of battery life, and a single full charge only takes 2 hours Simple control, easy operation of the panel - Press the button with your fingertips, you can operate, switch songs, adjust the volume, answer or make calls (under Bluetooth-compatible connection) HiFi sound, the ultimate experience - HiFi lossless music, real and shocking experience sound quality. Clean and thorough, using PET diaphragm, restore the real original sound Specification: Headphone model: OY632 Headset name: Telephone headset Bluetooth-compatible version: BT5.3, compatible with BT4.2, BR/EDR Bluetooth-compatible pairing name: Wireless headset Headphone material: ABS Life time: about 100 hours Speaker specifications: 40mm/20mW/32Ω Bluetooth-compatible distance: 30 meters Headphone battery capacity: 300mAh Earphone talk time: 30-60 hours Frequency response range: 20-20KHz Sensitivity: 108dB±3dB Compatible protocol: A2DP/AVR CP/HSP/HFP Headphone charging time: 1 hour to 3 hours, DC5V 1A, Type-C fast charging Microphone specifications: Strong resistance and high sensitivity 3012-M4618L15, impedance 2.2KΩ Compatible system: for iOS/Android/for MACOS/WINDOWS Charging cable: 100cm/39.37in length, black round cable USB to Type-C Headphone size: The outer diameter of the ear shell is 82mm/3.23in, the outer diameter of the head bow is 173mm/6.81in, the diameter of the top of the head bow of the earphone to the ear shell is 180mm/7.09in Weight: 180g Package included 1 x Telephone Headset 1 x Charging Cable 1 x English User Manual Other items not include Specifications Brand N/A Color Black ColorStyle B Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English Gross Weight 0.272kg Volume Weight 0.605kg Package Length 20.300cm Package Width 17.500cm Package Height 7.600cm