Specifications:
This is a High Quality Bluetooth Slider QWERTY Keyboard for iPhone 4
This is a QWERTY Keyboard and a Bluetooth Keyboard for iPhone 4
This Keyboard is made of high quality and durable for a long time use
Surface is beautiful and feels very comfortable
It's really a good product for your cell phone
Ports/Buttons: Mini USB port
Bluetooth Specifications: Bluetooth 2.0
Battery Type: Built-in rechargeable Lithium battery (200 mAh)
Operating Voltage: 3.7 V
Charge Time: 4 hours
Standby Time: up to 45 days
Operating Current: 3 mAh
Standby Current: 0.2 mAh
Charge time recommended before first use: 12 hours
Compatibility: iPhone 4
Material: Rubber
warranty :12 months