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Dual Sim Card
Dual Sim Mobile
Mutil  Sim card
Card Reader
USB Hub
Data Cable
Charger
Screen Protector
Bluetooth
Unlocker

Shenzhen Topboom Technology Co., Ltd is a professional manufacturer for electronic products located in Shenzhen, China. It mainly produces and sells Dual Sim Mobile Phone, Dual sim card , and other mobile phone accessories. .
Topboom always provides the best service, high quality, good price, strict inspection and fast shipping to all customers. And always try the best effort to meet all of customer’s requirements. From initial inspection of incoming components and materials, through to checking of semi-finished products during the manufacturing process, all stages are strictly monitored. Final inspections are then conducted both in the warehouse, and again before shipment to buyers. ......<<More>>
     Product     
Dual Sim Card
Dual Sim Card(NEED Cut) 15th King of Double Sim Card(No Cut) 15th

     TB-DUALSIM-015

2-in-1 design, installation after cards cutting; with menu Self-set auto-switching time from 0-99 minutes; Edit and display the telepone number Compatible with all GSM mobile phones......More

TB-DUALSIM-015A

No need cut the sim card; with menu Self-set auto-switching time from 0-99 minutes; Edit and display the telepone number Compatible with most GSM mobile  phones......More
Dual Sim Card(NEED Cut) 16th King of Double Sim Card(No Cut) 16th

     TB-DUALSIM-016

Need cut sim card :1. Two sim cards in one phone. 2. Special double modes function. 3. Invisible number - Temporary not connected function. 4. Extended support ......More

TB-DUALSIM-016A

No need cut sim card :1. Two sim cards in one phone. 2. Special double modes function. 3. Invisible number - Temporary not connected function. 4. Extended support to multi sim card. 5. Maintain Original sim card STK menu function........More
Dusl Sim Mobile Phone

     TB-MB-N6168

Dual standby with dual cards, dual Bluetooth and dual cameras have become the mainstream distribution of cell phone, the N6168 has the same dual standby with dual cards, dual Bluetooth and dual cameras ......More

TB-MB-N95

Absolutely dual mode dual standby  Dual bluetooth
.GSM 900/1800/1900Dual mode dual standby, you donot need to  switch them, three parts talk together
.2.6 inches super larger screen, QVGA display
.Triband: 900/1800/1900 MHZ
.Handwriting/keyboard to input........More
Hot Selling

iPhone 3G be unlocked successfully with all functions under used normally

   Unlock iPhone 3G successfully in traditional unlock sim way, put original sim card together to iPhone 3G sim unlock card, cheat iPhone 3G’s recognition procedure, let it mistake this card is demonstrate card, so let iPhone 3G’s every function under used normally.!

     Universal SIM Unlcok

It is the new mobile phone unlocking revolution. It’s support actually ALL the mobile phone on the market right now and UP coming models !
 ......More

 Universal SIM Unlcok

It is the new mobile phone unlocking revolution. It’s support actually ALL the mobile phone on the market right now and UP coming models !
 ......More

     Universal travel charger

*suitable for all li-on battery which the voltage is 3.6V
*Specially design for power supply, suitable for the power voltage from 150-250V.*All charging procedures are detected and controled by*It can protect the battery!!!.....More

Emergency Charger

Emergency charger: metalic shell, with 4 or 6pcs cables(optional). Can also be added a light.AAA batery can supply the power, charger at anytime
.....More
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iphone 3g unlock,3g iphone unlock,universal sim unlock,dual sim ,ghost dual sim,,double dual sim,dual sim card, twin sim,double sim,twin sim card--www.topboom.com
卡贴,双卡通,双卡王,V3V4卡贴,回拨卡,一卡多号,双卡通厂家,双卡钳--www.topboom.com 深圳拓本科技