Features:<br />- Wireless Bluetooth 4.0 connection<br />- Hi-Fi stereo sound effect<br />- Expandable memory; Supports TF card up to 32GB (not included in the box)<br />- Built-in Mic・ supports hands-free phone calls and callback<br />- AUX port<br />- Low battery notification<br />- Built-in 650mAh Li-battery・ lasts for 10 hours playing music on a full charge<br /><br />Brand: ZEALOT<br />Model: B5<br />Color: Black<br />Speaker: 32 <br />Frequency Response: 20 ~ 20kHz<br />SNR: 80dB<br />Distortion: < 0.1%<br />Audio Format: MP3・ WAV<br />Bluetooth Version: 4.0<br />Transmission Range: 10m<br />Battery: 3.7V 650mAh Li-battery<br />Charging Time: 2 ~ 3 hours<br /><br />What's in the box:<br />1 * ZEALOT B5 Bluetooth 4.0 Wireless Hi-Fi Stereo Computer PC Gaming Headset<br />1 * USB Cable<br />1 * Audio Cable<br />1 * User Manual