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: 32±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