Duqaus Over-Ear Wireless Bluetooth Headphones with Microphone in Black

Product Description 

Condition: New without box, only headphones 

Use and instructions  

•  Memory-protein earmuffs, soft headband and 8.1 oz light weight make the DOQAUS Bluetooth headphones over-ear fit for long-time wearing. The stainless steel slider and upgraded larger diameter of ear cup allow you to find the perfect fit without constraint and provide excellent durability.
• Up to 52 Hrs & Wired Mode: DOQAUS Bluetooth headphones over ear provide 52 hours of continuous music/talking time rather than 10 hours, triple as much as other wireless headphones. Come with 3.5mm audio cable, when the battery runs out of power DOQAUS wireless headphones can be used as a wired one so the headphones will never power off. Note: The headset button will not work in wired mode, you must adjust the volume and change songs through your phone.
• Hands-free Calling & Built-in Mic: DOQAUS wireless headphones over ear provide a quick and stable connection with your Bluetooth enabled devices like cell phones, tablets, pc, TV within 33 feet, with a high-quality built-in noise-cancelling mic for hands-free calls.
• Unique Three EQ Mode & High Quality CSR CHIP: DOQAUS Headphones EQ mode design, you could switch to three sound effect: 1. Balanced Sound (powerful bass, clear vocal and high tones are balance), 2. Extra Powerful Bass, 3. High definition (clear vocal). It comes with high quality CSR chip, dual 40mm dynamic drivers, it provides you with more stable transmission speed, lower latency and better audio output.