Mini compact design compact body to carry anywhere; Unique line-in concept No apps requires Just Plug-in sound out. (NOTICE: please press the power key at the bottom in the middle of this mini speaker. & A silicon rim is placed on 3.5mm audio plug please remove it if necessary.)</br>Transparency appearance; Building in Li-ion battery supports for playing time up to 8 hours and single charger of 45 minutes; This product has the function of automatic shutdown if without any audio input signal in 5 minutes it will automatically be turned off.</br>Ultra portable size contains super capacity 2W loud and great clear sound quality the four times of your mobile phone's normal volume lets you and your friends enjoy music and video at the same time.</br>Greatest compatible: it makes a great companion with any media device with a 3.5mm jack such as mobile phone tablet MP3 CD player laptop just turn power on and plug it directly to play music or video audio.</br>Retail package includes F10 portable compact mini speaker charging cable and storage bag.</br></br>Product Description</br></br><b> Specifications: </b></br> 1. S/N: >90dB </br> 2. Net weight: 42g </br> 3. Output Power: 2W </br> 4. Material: plastic/silicon </br> 5. Playing Time: about 8 hours </br> 6. Frequency Range:20Hz -20KHz </br> 7. Charging Time: about 45 minutes </br> 8. Product Size: 42.5W*58H*31.5D mm </br> 9. Loudspeaker Specification: 27mm?? 8?? </br> 10. Enlarge phone volume more than 4 times </br> 11. Li-ion Battery Capacity: 3.7V-4.2V 250mAh </br></br> <b> User Manual: </b></br> ?? Press the power key?? the F10 speaker will start working and the blue indicator will be light. </br> ?? Just connect this speaker's 3.5mm jack to your device to play music?? like mobile phone?? tablet?? MP3?? CD player?? laptop?? just turn power on and plug it directly to play music or video audio. </br> ?? Press the power key again?? the F10 speaker will stop working and the blue indicator will be closed. </br> ?? This product has the funct