B39 Luminous Wireless BT Headset RGB Luminous Wireless BT Gaming Headset Stereo Headphone<br/>Features<br />HiFi Powerful Bass Stereo Sound Effect: 40mm diaphragm speaker drivers, deep bass stereo sound, enjoy the wireless high quality music<br />Comfortable Over-Ear Fit: Soft protein leather earpad and retractable headband lifts the burdens for your ear. No discomfort after long-time wearing.<br />Comfortable and Foldable: Technical ergonomics design with soft earmuffs simulated to human skin texture, ensure long lasting comfort<br />Wireless and Lightweight: Ear Pad headphones for enjoying extended listening of TV and audio—without disturbing others<br />Built in Microphone: supports hands-free call and voice reporting incoming call number. With the latest enhanced technology makes you voice sound clearer in noisy environments<br />Ever Power Off, Both Wireless &amp; Wired: 1. The wireless mode: A built-in 400mAh battery provides up to 10-hr music time or talking time in a single charge; 2. 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 />Bt 5.0 Adopt: The Bt 5.0 CSR Chipset, lower power consumption, superior compatibility. Compatible for all the mobile Phone, Tablet PC, Notebook, any devices with bt function Or has A 3.5mm Audio Jack<br />Multi-Functions: 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 />Colorful LED  Light: Seven-color transform cool breathing light, shine everywhere, anytime.<br/>Specifications:<br />Name:B39<br />Use: wireless headset, voice headset<br />BT Version: V5.0<br />Support BT Mode: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5<br />Frequency: 2.402-2.480GHZ, 2.4G ISM band<br />RF Performance: receiver sensitivity: -84dBm; transmit power up to 4dBm<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 />Other Features: support status indicator, charge indicator display<br/>Note:<br />Slight color difference is allowed due to different lights and monitors,hope you can understand,thank you!<br/>Package Included:<br />1* Headphone<br />1* Charging Cable<br />1* 3.5mm AUX Audio Cable<br />1* User manual