Description:<br />4.1(3 hole｣ｬ1 hole is 4.0) smart chip｣ｬEfficient transmission speed.<br />Compact｣ｬ ultra Light Design Stereo Bluetooth Headset｣ｬ Portable And Easy To Carry.<br />High-fidelity sound quality｣ｬ Wireless songs enjoy<br />Voice report number｣ｬ low power remind｣ｬConnect/disconnect remind｣ｬBoot off prompts.<br />Supports Two Mobile Phones Simultaneously Connected.<br />Compatible For Almost All The Mobile Phones And Tablet PC｣ｬ etc.<br />Specification:<br />Product parameters <br />  1. Transmission range: 10 meters <br />  2. Function: support music｣ｬ call function｣ｬ power display <br />  3. Bluetooth protocol: 4.1 <br />  4. Channel: Mono <br />  5. Use: ear plug｣ｬ unilateral hands-free <br />  6. Color: skin color pink white black blue <br />  7. Charging time: 1-2 hours <br />  8. Talk time: 4-5 hours｣ｬ music duration: 3-4 hours <br />  9. Battery capacity: 50mAh <br />10. Noise reduction: CVC6.0 <br />11. Applicable products: Apple Samsung Millet and other Bluetooth-enabled mobile phones and flat-panel notebook desktop <br />12.Package included: <br />1 x Bluetooth Earphone<br />1 x USB charging cable<br />1 x Use Manual  <br />13. Product Size: 2.8 * 1.6 * 1.5CM<br />Warmth reminder: the product included 1pc｣ｬif you want to get 1pair｣ｬplease buy 2｣ｬthank you for your understand. <br />Hope you have a happy shopping! >_<