Features:<br />1｣ｬ Amplify Sounds up to 40 decibels<br />2｣ｬ Weighs less than 10 grams<br />3｣ｬ Earplug type design｣ｬ easy to use and carry<br />4｣ｬ 5 volume levels for you to adjust<br />5｣ｬ Can be adjusted to fit both ear<br />6｣ｬ 3 different size noise prevention earplugs<br />7｣ｬ This hearing aid is packaged in a nice retail box which is perfect for retailling.<br />   <br />Volume Control:<br />There 5 levels volume control.<br />Users are recommended to always switch the sound magnifier on at lever 1 and adjust it to a suitable level.<br /><br />Description:<br />Model: XM-909E<br />Standard frequency = 300-3000 Hz<br />Maximum volume output = 129 &amp;plusmn; 5 dB<br />Input interference level: &amp;le;29 dB<br />Operating temperature = 5-40\u2103<br />Storage temperature = 0-38\u2103<br />Maximum humidity &amp;lt;80%<br />Battery: 2 LR44 button cell batteries(included)<br />Package Size: About 9.2 x 7.2 x 3.2 cm<br />Package Weight: About 107g<br />Color: As the picture shows<br /><br />Package Include:<br />1 x XM-909E Hearing aid<br />3 x Earplugs (different size)<br />2 x LR44 button batteries<br />1 x English Manual<br />1 x Case<br /><br />NOTE:<br />1｣ｬ If you hear the whistling sound｣ｬ please make sure if you put the earplug tightly｣ｬ or if you use a appropriate size earplug.<br />2｣ｬ Please take out the battery or turn off the hearing aid when you stop to use it.<br />3｣ｬ This product is not waterproof.<br />4｣ｬ If water enter the sound amplifier｣ｬ remove the battery and place the sound amplifier in a warm place to dry.<br />5｣ｬ Sound Amplifier is not a hearing aid for those with impaired hearing. If you have impaired hearing｣ｬ please consult your doctor.