LEASUN Palm-size Mini Rechargeable Wireless Bluetooth Keyboard for IOS Android Windows iphone6 ipad win10 Samsung Galaxy S5 S6 Mini keyboard is travel sized with a rechargeable battery, making it the perfect accessory for on-the-go smart phone users Compatible with Android OS 3.1+, Windows, and iPhone OS 4.0+ Built-in rechargeable lithium battery provides for 160 hours of uninterrupted usage, while auto-sleep feature saves power and ensures you get the most out of every charge. 49 silent keys Package includes: Mini bluetooth Keyboard, USB cable, instruction manual. Bluetooth Version: Bluetooth V3.0; Working range: 10M-15M; Size: (115mm*60mm*5mm)