OY3-C Bluetooth Stereo Headphones brings your wonderful music feast and clear communication. With it・ you can take it out for exercising・ climbing・ sporting・ etc. Answer/ reject/ end a call with multi-functional button. Easy to operate.<br /><br />Features:<br />[Bluetooth Technology & Strong Compatibility]<br />Advanced Bluetooth 4.1 technology is perfectly paired with almost all Bluetooth-enabled mobile devices・ such as for iPhone 7 7plus SE 6 6Plus・ for Samsung Galaxy・ Tablet PC・ Laptop・ etc. <br />[Stereo Music & Hands-free Call] <br />Enjoy stereo music wirelessly from Bluetooth A2DP devices. Built-in microphone for hands-free conversation from Bluetooth-enabled mobile phones.<br />[Endurance Time]<br />Rechargeable 55mAh battery provides up to 3.5 hours of music time・ 3.5 hours of music time and 100 hours of standby time.<br />[Simple Operation]<br />Answer/ reject/ end a call with multi-functional button. Easy to operate.<br />[Application]<br />Bluetooth Stereo Headphones is perfectly suitable for people who are doing sports・ doing business・ going outing・ etc.<br />Specification:<br />Model: OY3-C<br />Driver Unit: 13mm bass unit<br />Speaker Impedance: 32 ohm<br />Speaker Frequency Range: 20~20KHz<br />Mic.Dimension: 4.5*2.2<br />Mic Sensitivity: -54dB 2dB<br />Mic. Impedance: 2.2K <br />Wireless Solution: Bluetooth V4.1+EDR Support: HSP・ HFP・ A2DP and AVRCP<br />Operating Range: 10 meters(33fts) CLASS II<br />Talking Time: up to 3.5 hours <br