Description<br />Condition: 100% brand new and high quality<br />Size: 6 * 5.5cm<br /> <br /> <br />Features and Benefits:<br />1. Absolutely no side effects!<br />2. Does not affect the quality of sleep normal weak pulse.<br />3. Automatic filter background noise environment、 effective detection and identification of users snoring.<br />4. Intelligent power-saving devices<br />5. 8 hours off automatically design.<br />6. Battery: AAA battery (not included)<br /> <br /> <br /> <br /> <br /> <br />Packing contents :<br />1 * screwdriver、<br />1 * wristband conductive sheets<br />1 * conductive sheets (2pcs in thee bag)<br />1 * English manual