Shenzhen MIVI Electronics Co., Limited
Main products:Gift,Watch,Phone
Contact Us
  • Contact Person : Ms. Mivi Mindi
  • Company Name : Shenzhen MIVI Electronics Co., Limited
  • Tel : 86-755-83983026
  • Fax : 86-755-36937223
  • Address : Guangdong,Shenzhen,D008, 6/F, Bldg. 3, Sega Science & Technology Park, Huaqiang North Rd., Futian District, Shenzhen, Guangdong, China (Mainland)
  • Country/Region : China
  • Zip : 518000

charger & speaker & case 3 in 1 for iPhone 4

charger & speaker & case 3 in 1 for iPhone 4
Product Detailed
1.charger for iphone 4 2.speaker for iphone 4 for iphone 4 4.many colors for choice 5.factory wholesale price

1.charger for iphone 42.speaker for iphone for iphone 44.many colors for choice5.factory wholesale price

iPhone 4 Portable Charger & Speaker

This product uses a special design, Charge on the IPHONE, with intelligent charge control patents.In addition, the internal music of the IPHONE can sound outside.Compared with the IPHONE itself, seems larger volume, better sound quality.The product's function and usage as follows.

1.Button section:

Volume +, Volume -, MODE button

Volume +:Press this button,the volume becomes larger until the loudest;

Volume -:Press this button,the volume becomes smaller until the smallest sound.

MODE button:When you insert IPHONE, press "3 seconds" to charge the phone , then press "3 seconds", turn off the charging function (default is off charge),

When connected with the data lines to charge power and plug IPHONE4, press "3 seconds" for the external battery to charge power, then press the same button to switch to the charging function for the built-in battery of IPHONE4 (default is IPHONE4 built-in battery charging)

2.LED status indication section:

LED display: The internal battery power left,  different states of charge, different modes of charge.

Charge Status Indication:

Battery voltage:

<=25% power, Red light flashing

25% -50% power, Red light for long time

50% -95% power  blue light flashing

95% -100% power, Blue light for long time

When Discharge,power detection indication (press any button when discharge):

<=25% power, Red light flashing

25% -50% power, Red light for long time

50% -95% power  blue light flashing

95% -100% power, Blue light for long time

3.Lithium Battery Charge Management

Through the USB interface to connect a dedicated IPHONE charger or PC, you can charge for this product.

According to the Lithium battery charging characteristic curve,do a Intelligent charging algorithm design,and effectively extend the battery life.

4.Charging function of external connection with IPHONE

    Use efficient liter voltage circuit,provide the charging function on the iPhone,the Charging current is 500MA.When the products are not connected with the USB, we can switch whether charge for IPHONE or not by the MODE button.

5.Intelligent charge control

   Default priority for IPHONE charge, and allows to charge for an external battery,the IPHONE charge current from big to small, while the external battery charge current from small to big, is really smart and efficient charging technology.

By the MODE button,we can freely controlcharging external battery  first or charging internal battery of IPHONE first, and at last  charging the two together.

6.Automatic data synchronization

When the IPHONE 4 and USB cable connect this product at the same time,

at this state, USB cable can charge for the internal battery of products and IPHONE 4 at the same time.LED displays the internal battery power left. If the USB cable is connected to the computer's USB port, then IPHONE4 can be synchronized and charging.

If the USB cable connected to a dedicated USB port 5V charger of Apple,it can only charge for IPHONE 4 but not be synchronized,at this time the charging current is 1A.

7.Amplifier and speakers

Using the high conversion efficiency and low distortion D-class amplifier, we can improve the sound quality and useful time.Using the Speaker,its power can reach the high sensitivity of 2W.Circuit,speaker,chamber and amplifier,the precise coordination and the overall match , to be the best sound quality.

8.Technical parameters:

A, Outside power Charge for this product:

PC USB charge:5V,500MA

Original ADAPTOR charge: 5V, 1A;

Charging time: 4 hours (IPHONE and outside power are full at the same time)

B, external battery charger for IPHONE:

Charging Specifications: 5V, 500MA;

Charging time: 2.5 hours;

Endurance: 24 hours;

C, Speaker Technical parameters:

Output power: 2W * 2;

Distortion: 0.1%;

Efficiency: 90%;

Frequency response: 100HZ-20KHZ;

Full-range speakers: 2W, 4 European

Tweeter: 2W, 4 European

Play time: 8 hours

9.Use Range

A full range of Apple iPhone (Apple iPhone). There are various series of IPOD, ITOUCH with 30pin interface.


1.Because the iPhone antenna design, at the 2G signal band, rare cases may cause the interference sound of speaker .The 3G signal is tested normal.

2.When charging for the computer , if you choose the mode of charging priority for the backup battery, you could not use the synchronization function.

3.When using the "ipod" software to listen to music, go into the game in case of not "pause" music.whether the product goes on or not,if there is some unusual game sound ,please pause the music and  re-enter the game.

4.When the external battery power is less than 25% , even though in the state of charging, it also can not play music.

charger & speaker & case 3 in 1 for iPhone 4

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