Goestime Portable power Case / Back up battery for iphone4 / 4s
Colorful
Fashion
High quality
1800mAh

Goestime Portable power Case / Back up battery for iphone4 / 4s

Iphone 4S / 4 ( Direction for use of the chargeable sound equipment of iphone4S / 4)

This product is specially designed in having control function of the intellective charging of iphone4s/4. In addition , it can have the inner music be played outside , Compared with iphone4S/S itself , it enjoys higher sound volume and better sound quality . Functions and suing directions are as folows :

1.     Bottons

+ : press this button to turn the volume up

_ : press this button to turn the volume down

     : Press this button to switch the volume between iphone4s/4 and the sound equipment

N : Press this button for 3 seconds when the indicator light flickers from left to right for one time, which indicates that this product begins charging iphone4s/4 . Then press this button for 3 seconds one more time when the indicator light flickers form right to left , which indicates that charging is off. Besides , You can also know the battery capacity by pressing this button .

2.     Charging

This product can be charged by connected with the special external charger via USB port .

(When charging , if the first indicator light at the left flickers , it indicates that the battery is lower than 25% of the full battery. When the first indicator light turns from flickering to the normal , it means that the battery has reached 25% of the full battery . When the second indicator light turns from flickering to the normal , it indicates that it has completeds 50% charging ; And the like , when the fourth indicator light turns from flickering to the normal , it indicateds battery full )

( iphone4s/4 is also being charged while charging this product through the external charger )

3.     The indication of electric quantity detection when discharging

(press N ,  one bright indicator light indicates that the electric quantity is 25%; two bright indicator lights indicate that the electric quantity is 50%;three bright indicator lights indicate that the electric quantity is 75%,and if four indicator lights are all bright , it indicates battery full . )

4.     Type of battery cells

Polymer Lithium lon battery cell , standard voltage : 3.7v

Capacity:1800mAh

Output volafe: DC5V+ 0.1V

Output current : ≤700mA0

Input voltage: DC5V+ 0.2V

Input current : ≤500mA0

Charging interval: 3~5h

Working temperature: -10°C~50°C

Storage temperature: -20°C~65°C