100% Brand New.<br /><br />2 Colors available: White｣ｬ Black<br /><br />Support Bluetooth stereo music playback (A2DP)<br /><br />Supports Bluetooth: Headset Profile｣ｬ Hands-free Profile<br /><br />Can connect two phones simultaneously<br /><br />Can display the remaining battery for Apple phone<br /><br />Can unilateral ear loop｣ｬ you can also wear on both sides<br /><br />Note: When the Bluetooth headset pairing｣ｬ This Bluetooth headset requires long press the power button 3-7 seconds｣ｬ that indicator is alternating red and blue state!<br /><br />Other features: Compact design｣ｬ can be operated with one hand and the use of noise reduction and echo suppression technology｣ｬ any noisy environment｣ｬ sound quality is still excellent; safe to use｣ｬ low radiation.<br /><br />Dimension: 15X50.5X10mm<br /><br />Blutooth Specification: ISSC<br /><br />Version: V3.0+EDR<br /><br />Transmission Distance:10M<br /><br />Talking Time: 3.5 hours<br /><br />Music Time:  3 hours<br /><br />Standby Time:  120 hours<br /><br />Charging Time: about 2 hours<br /><br />Support Stereo: YES<br /><br />Ambient temperature: In order to build capacity and lifetime of the battery｣ｬ please try to keep the battery between 15   to 25 <br /><br />Applicable models: compatible with all major brand Bluetooth mobile phone as a hands-free use｣ｬ with a Bluetooth adapter｣ｬ can be used for online voice chat<br /><br />How To Use: 1. Charge the headset:Headset is charged via USB cable｣ｬ