JellyComb Wireless Keyboard Model B046 comes with usb charger. Works great and in great condition. QUICK SWITCH TO 2 DEVICES Fast channel switch between 2 devices with out any interference or disconnection. No need to restart pairing process.0.46in slim solid body with integrated stand on both side, you can put on smartphone and tablet at the same time. LONG TIME OPERATION Separate ON/OFF switch and Smart auto sleep feature design for power saving. Built-in 180mAh Rechargeable Li-ion Battery, 2 hours full charge, above 40 hours uninterrupted work, stand by for 6 months. SMOOTH& LOW PROFILE Scissor-Switch bluetooth keyboard provides you with very comfortable and pleasing typing experience. Unique scissor-switch technology makes sure that even the softest keystroke is enough, relieving any unneeded stress while typing.