1. Only for Android2. Only for dual-SIM dual-standby phones3. Not applicable to Samsung 8.0 and aboveNOTE:Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks. Offering high-quality and high cost-effective product is our principle of service, we will keep on doing this and updating our new products constantly, so, please follow our store and come to visit us frequently, I'm sure that you could get somthing you need or insterested at very reasonable price, we're always waiting for serving you!Features:Very easy to install the SIM-Extender adapter takes place directly in the dual SIM hybrid slot under the for micro-SD card.It allows you to connect both of your SIM cards to your smartphone while keeping the for micro-SD card in its slot.Use two SIM cards and one for micro-Secure digital memory card simultaneously.Optimize the performances of your dual sim smartphone.Increase the features of your Dual SIM mobile.Boost the capacity of your Dual SIM cellphone.Quick and easy installation.Specification:Material: metalColor: coffee & silverSize: 38*20mmPackage Include:1 x SIM Card Slot Dual SIM Card AdapterNotes:Please allow slight dimension difference due to different manual measurementDue to the difference between different monitors the picture may not reflect the actual color of the item We guarantee the style is the same as shown in the pictures .