Cats Wireless Headphones B39M

Bluetooth 5.0+EDR & CSR Chipset: These headphones feature the international Bluetooth 4.0 CSR chipset, it can create HD audio and a wide frequency response from 20Hz to 20kHz, low power consumption, superior compatibility (Mobile Phones, Tablet PCs, Notebooks; all Bluetooth enabled devices & a 3.5mm audio jak).
   
> Support TF Card Play & FM Radio Function: The headband headphone has a TF card slot, you can insert a micro-SD card full of all your songs. Enjoy your favourite radio stations anywhere, anytime with the FM function. (Note: FM Radio May Won't Work In Some Countries).  
   
> High Fidelity Stereo Sound Effect: 40mm ultra-large dynamic alloy speaker drivers, tuned by a professional team and high fidelity stereo surround sound, enjoy the wireless high-quality music.  
   
> Smart Handsfree Talking: (Built-in Concealed High Definition Sensitive Microphone), The headband headphone enables phone call interruptions when you're listening to music with its "Answer Incoming Phone Calls'' Button.
   
> Superior Noise Cancelling Performance: Acoustic echo cancellation and noise reduction that effectively reduce ambient noise when you're talking, enables a far-end listener to hear what you clearly almost as if it's face to face.  
   
> Line-out Music Play Mode: This headphone features a standard 3.5mm audio jak support line-out play mode so you can still listen to music when your headphone is out of power or the connecting device is not Bluetooth enabled.  
   
> Foldable Design & Comfortable Wearing Experience: Enjoy its foldable portable design with the genuine leather head beam, breathable protein-leather earmuffs, and an ergonomic style that makes it super comfy to wear and easy to pack in a suitcase when you're travelling