Jr H6 Foldable Bluetooth 5.3 Wireless Headphone (Black)

about this item: 1. High fidelity audio: bluetooth headphones deliver crystal crisp highs, balanced mids and powerful bass through 40mm acoustic stereo drivers. 2. Advanced noise cancellation technology: reduced noise, better sound. Designed to deliver a superior noise cancelling headphone experience so nothing can come between you and your music. 3. Strong bluetooth tech and microphone: bluetooth 5.3 wireless connection technology enables ultra-fast and stable connections within a range of 33 feet (10 meters). 4. Built-in hd microphone provides a clearer and more sound-proof call experience during the call, as if you are talking face-to-face with your friends and family. 5. This bluetooth headphones will give you a deep, powerful, and immersive sound at any volume, make your overall listening experience just that much better. specifications: bluetooth version: v5.3 impedance: 32ω±15% driver (full range): 2 × 40 mm frequency response: 20hz~30khz range: 33ft audio output: wireless stereo material: abs noise cancellation mic: -35db±3db call mic: -42db±3db endurance: 16h charging time: about 3 hours battery capacity: 400mah color: black, beige, navy package listing: 1 * wireless bluetooth over ear headphones 1 * 3.5mm backup audio cable 1 * usb charging cable 1 * user manua