DOQAUS Wireless Headphones - Unused Functionality Confirmed Brand: DOQAUS Color: Blue Ear Placement: Over-Ear Headphone Type: Over-Ear Impedance: 32 Ohm Noise Control: Noise Isolation Unused. Please refrain from purchasing if you are overly concerned about minor details. The outer box, instruction manual, cables, and packaging bag are all included. 【Three-Type Equalizer Function】Express the sound quality even more delicately by using the equalizer function according to the music style. ❶ Balance (Balanced high and low frequency experience) ❷ Vocal (Enhances vocal clarity) ❸ Bass (Amplifies deep bass) 【Latest Low-Latency Bluetooth 5.3】Experience a more stable and low-latency Bluetooth connection. Compatible with various Bluetooth devices such as mobile phones, laptops, and music players. Moreover, it supports wired connection without delay, making it ideal for watching movies and playing games without worrying about battery life. 【Up to 40 Hours of Continuous Playback】Equipped with a large-capacity battery that allows for tens of hours of continuous use, perfect for long-term use in environments where you frequently go out or cannot access a power source. The headphones can play for up to approximately 3 hours with just a 10-minute charge. 【Design Focused on Comfort】The high-quality, three-dimensional stitched ear pads are soft and thick, gentle on the ears. The flexible headband can be adjusted in length by sliding, fitting the head well. Foldable for convenient portability. 【Built-in Microphone & Hands-Free Calling】A microphone is built into the headphones, convenient for hands-free calls and voice chats. It's also advantageous to be able to answer calls while wearing the headphones when you're out and about. While we take the utmost care, please understand that this is a pre-owned item stored by an individual, and there may be minor imperfections such as crushed corners on the box. The photos may also slightly differ in color representation. Thank you for your understanding. We will offer discounts for bulk purchases of our products. Thank you for your consideration.