CestMall F10 Portable Compact Mini Speaker, Four Times of the Normal Volume, 3.5MM Audio Input, for iPhone Android Tablet Nevigation PSP MP3 MP4 Black

Specifications: 1.
S/N: >90dB
2.
Net weight: 42g
3.
Output Power: 2W
4.
Material: plastic/silicon
5.
Playing Time: about 8 hours
6.
Frequency Range: 20Hz -20KHz
7.
Charging Time: about 45 minutes
8.
Product Size: 42.5W *58H* 31.5D mm
9.
Loudspeaker Specification: 27mm, 8?
10. Enlarge phone volume more than 4 times
11.
Li-ion Battery Capacity: 3.7V - 4.2V 250mAh
User Manual:? Press the power key, the F10 speaker will start working and the blue indicator will be light.? Just connect this speaker's 3.5 mm 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.? Press the power key again, the F10 speaker will stop working and the blue indicator will be closed.? This product has the function of automatic shutdown, if without any audio input signal in 5 minutes, it will automatically be turned off.? Please do not touch the speaker with sharp objects so as to avoid damage.? The LED light will be turned red when charging; While it is charged full, the LED light will be closed.? When Li-ion battery electricity is less than 3.2V, the speaker will be on low-power condition; the blue LED light will flash slowly and prompt you to recharge it.
Notice:? Please remember to press the power key at the bottom in the middle of this mini speaker.? A silicon rim is placed on 3.5 mm audio plug, please remove it if necessary.
Package includes: 1 x F10 Portable Compact Mini Speaker 1 x Charging Cable 1 x Storage Bag If the item you receive is not as the same as the picture, please feel free to contact us, thanks in advance!