1. HiFi Powerful Bass Stereo Sound Effect:<br> 40mm diaphragm speaker drivers, deep bass stereo sound, enjoy the wireless high quality music<br> 2. Comfortable Over-Ear Fit:<br> Soft protein leather earpad and retractable headband lifts the burdens for your ear. No discomfort after long-time wearing.<br> 3. Comfortable and Foldable:<br> Technical ergonomics design with soft earmuffs simulated to human skin texture, ensure long lasting comfort<br> 4. Wireless and Lightweight:<br> Ear Pad headphones for enjoying extended listening of TV and audiowithout disturbing others<br> 5. Built in Microphone:<br> supports hands-free call and voice reporting incoming call number. With the latest enhanced technology makes you voice sound clearer in noisy environments<br> 6. Ever Power Off, Both Wireless & Wired:<br> -The wireless mode: A built-in 400mAh battery provides up to 8-10hr music time or talking time in a single charge;<br> -The Wired mode: you can also use it as a wired headphone with the provided audio cable so the headphones will never power off.<br> 7. Bluetooth 5.0 Adopt:<br> The Bluetooth 5.0 CSR Chipset, lower power consumption, superior compatibility. Compatible for all the mobile Phone, Tablet PC, Notebook, any devices with bluetooth function Or has A 3.5mm Audio Jack<br> 8. Multi-Functions:<br> headsets have several options for listening enjoyment. Built in TF card slot and you can use a TF/Micro SD card with loaded MP3 music and listen to the songs directly on your headsets.<br> 9. Colorful LED Light:<br> Seven-color transform cool breathing light, shine everywhere, anytime.<br> Specifications:<br> Bluetooth Version: V5.0<br> Support Bluetooth Mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5<br> Frequency: 2.402-2.480GHZ, 2.4G ISM band<br> Frequency Response: 20 Hz - 20 KHz<br> Signal to Noise Ratio (SNR): 70Db;<br> Total Harmonic Distortion Rate (THD) 0.1%<br> Power Indicator: Red and blue lights alternately flashing<br> Headset Charging: rechargeable 400MAH lithium battery<br> Charging Port: Mini 5-pin USB charging interface<br> Normal Charging Time: 2.5 hours<br> Talk Time: up to 10 hours<br> Standby Time: up to 20 Days<br> Operating Temperature: -20 - 55<br> Package Included:<br> 1* Headphone<br> 1* Charging Cable