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1,product series:
3in1 power case for iphone 4/4S,battery case for iphone ,speaker for iphone,3d case for iphone
2,Features:
(1)3in1 power case for iphone 4/4S: with protecter case,emergency charger and speaker function.
(2)External stereo speaker,enjoy music during charging
(3)intelligent switch between case and iphone device.
(4)don't need any other software,Plug and play
(5) "+": sound volume get Increasingly large
"-": sound volume get increasingly small. musical note sign can switch for sound between iphone 4/4S and speaker. lightning sign : still press the key 3 seconds,the light will shine from left to right,it shows that the charger are charging to iphone 4/4S.Press the key again 3 seconds,the light will shine from right to left,that stop to charging. Just press the key can show the product Battery power state.3,Specification:
if charge to power case,just by iphone usb cable.
(1)during charging,the first LED light on the left blink,it means the product battery power is less 25% when full.when the first LED light turn blink into light,it means the battery power have charge 25%; when the second LED light turn blink into light,it means the battery power have charge 50%.the third LED,the fouth LED is same. (2) the product are charging to iphone 4/4S only,power detection indicate ,please press lightning sign key.iphone4/4S battery indicate lightning sign,and product one LED light,it means product's power is 25%.if two lights,it means product power is 50%.if three lights,it means the product power is 75%;If four lights,it means product power is 100%4,Battery cells type (1), polymer lithium-ion batteries, standard voltage 3.7 V (2) the capacity: 1800 mAh (3) the output voltage: DC5 V + /-0.1 V (4) the output current: more than 700 mA (0.7 A) (5) input voltage: DC5 V + /-0.2 V (6) the input current: more than 500 mA (0.5 A) (7) charging time: 3 ~ 5 hours (8)Working temperature: °C ~ 50 °C (9)Storage temperature: 65 °C ~ 20 °CHot sale Power case for iphone with speaker function battery case for iphone