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Dual SIM Card Dual Standby Backup Battery Case Cover for iPhone 4G
Keeping iPhone4 original keypad, headset, and data transmission interface.
Designed with fashionable and artistic appearance.
Case material: PVC + ABS Piano body.
Dual SIM dual standby, it supports WCDMA & GSM, quad bands optional for GSM.
It supports GPRS, can send and receive MMS, customize ring.
With steady and smooth software, it can show caller ID, no delaying for calling.
Keeping iPhone4 charge connector, it can charge two phones at the same time, the total electric quantity can be reached to 2800 MAH.
It can charge for iPhone 4 anytime anywhere.
Without dismantling, it can approach to iTunes or 91 mobile software, dual SIM card can share contact lists and linkman.
It is easy to install and dismantle, very convenient to operate.
Safeguard for your iPhone, it can protect your cellphone better.
Note: To use the product, you need to jailbreak the iphone! Due to different cellphone system, the product can not be used in Japan.
Applicable scope: iPhone 4G
Support system: MacOSX
Network standard: GSM, built-in GPRS module
Quad GSM network: 850/900/1800/1900MHz
Windows system requirements: PC with USB2.0 port, Windows 7, Windows Vista, Windows XP Home or Windows Professional with Service Pack3 or later versions
Environmental requirements: Operating temperature: 0C°to 35C ° (32° to 95°F)
Non-operating temperature: -20C°to 45C° (-4° to 113°F)
Relative Humidity: Non-condensing 5-95%
Talking time: 14 Hours
standby time: 336 Hours
Battery capacity: 3.7V, 1200 MAH
Item weight: 56g
Package weight: 260g
Item size: 125 * 58.5 * 14.8mm
Package size: 175 * 135 * 37mm
1 * Dual Sim Battery Case for iPhone 4G
1 * CD
1 * User manual
2 * Battery
2 * Fastner
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