Features: Hi-Fi Powerful Bass Stereo Sound Effect- This gaming headset is equipped with a 40mm diaphragm speaker drivers, with deep bass stereo sound giving you a high-quality music experience. With Built-in Microphone- This headset has a built-in microphone that supports hands-free calling and voice reporting incoming call number. It is made with the latest enhanced technology that makes your voice sound crisp and clear even when in noisy environments. Can be Used 2 Ways- These gaming headphones can be used wired and wireless. This headset is equipped with a built-in 400mAh battery that provides up to 8-10hr music time or talking time in a single charge in the wireless mode. Bluetooth 4.0- This Headset adopts Bluetooth 4.0 CSR Chipset, lower power consumption, superior compatibility. Colorful LED Light- This gaming headset has seven-color transforming very cool LED Lights that glow when the headset is in use. Specifications: Color: Red Black, Black Red, Black, White Weight: 300g Bluetooth: v4.0 Transmission Range: 10 m Battery: 400mAh built-in, rechargeable Charging Time: 2.5 hours Usage Time: up to 10 hours Standby Time: up to 20 days Performance: receiver sensitivity84dBm transmit power up to 4dBm Frequency Response: 20 Hz - 20 KHz Signal to Noise Ratio (SNR): 70Db Package Includes: 1 x Headset 1 x USB Charging Cable 1 x 3.5 mm Cable 1 x User Manual