M91 Ear Clip Earbuds Wireless Bluetooth Headphones Noise Reduction Earphones - Black Bluetooth 5.3 Connectivity: Ultra-low latency keeps synchronized with audio and video, convenient to keep in contact with your teammates all the time Noise Cancelling Design: Use ANC+ENC noise reduction technology to isolate external noise, allowing you to enjoy more crystal-clear music and phone calls Touch Control: High sensitivity, smart touch control, easy to answer phone calls, pause music with a few taps Comfortable to Wear: Ear clip design, no need to jam the earphones into the ear to better protect hearing. Unlike in-ear headphones, it allows you to keep in touch and understand the surrounding environment to ensure safety Compact Size: The compact body fits easily in your pocket, convenient to carry when traveling, cycling, etc Specification: Noise reduction: Active noise reduction (ANC), Environmental noise reduction (ENC) Bluetooth version: V5.3 Audio coding: SBC, AAC Battery capacity: earphone: 40mAh*2, charging bin: 400mAh Material: ABS+PC Connection range: 10m Working time: 4-6h Charging time: 1.5h Frequency response: 20Hz-20KHz Input: 1A Charging interface: Type-C Package included: 1 Pair x Earphone 1 x Charging Bin 1 x Cable 1 x English and Chinese User Manual Other things not included