This silicone bracelet is compatible with capable tablets, it is Smart silicone bracelet.You can do many tasks use thissilicone bracelet, such as set an alarm, turn phone to silent etc.If you don't know how to use it,please search YouTube to see.There are many free applications on internet, so you can program very easy.100% brand new and high qualityFrequency: 125 KHZMaterial: silicone bracelet.IC silicone bracelet is suitable for 125 KHZ ISO14443A card reader and reading distance is 0 - 10cm(Reading distance depends on readers, not the silicone bracelet)User definable access conditions & password for each memory block1K byte EEPROM memory (768 FREE BYTES availability)Organized in 16 sector with 4 blocks of 16 bytes each (one block consists of 16 byte)Write endurance 100,000 cycleISO standards :ISO 14443 / 14443A