1800mah battery speaker for iphone4

Specifications

1800mah battery speaker for  iphone4

This product is specially designed in having control function of the intellective charging of IPHONE4/4S. In addition, it can have the inner music be played outside. Compared with IPHONE4/4S itself, it enjoys higher sound volume and better sound quality. Functions and using directions are as follows.

1. Buttons

+:Press this button to turn the volume up

­—:Press this button to turn the volume down

:Press this button to switch the volume between IPHONE4/4S and the sound equipment

press this button for 3 seconds when the indicator light flicker from left to right for one time, which indicates that this product begins charging IPHONE4/4S. Then press this button for 3 second one more time when the indicator light flickers from right to left, which indicates that charging is off. Besides, You can also know the battery capacity by pressing this button.

1. Charging

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

1) 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 indicator that it has compeleted 50% charging; And the like, when the fourth indicator light turns from flickering to the normal, it indicates battery full.

2) IPHONE4/4S is also being charged while charging this product through the external charger.

1. The indication of electric quantity detection when discharging.

Press 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 light are all bright, it indicates battery full.

1. Type of battery cells

Polymer Lithium Battery cell, standard voltage:3.7V

Capacity: 1800mAh

Output voltage: DC 5V±0.1V

Ouput current: ≤700mA

Input voltage:DC5V±0.2V

Input current: ≤500m

Charging interval:3-5h

Working temperature:-10°C~50°C

Storage temperature: -20°C~65°C

5.Decibels of the speaker:80db-100db