For iPhone iPad accessories

System Supported: - Support Smart Mobile System:1. Nokia Symbian S60 System;2. Android System;3. Windows Mobile 6.0 System;- Support PC and HDPC;- Support Sony PS3 Player;-iPhone 4 & iPadUse with non-BT equipped PC or Laptop require a USB Bluetooth adapter; Features:- Use Broadcom 2042 Chipset with wireless Bluetooth 2.0 interface - Features comfortable, ergonomic design with 49 keys - The intelligence power source management system helps you conserve battery power for when you really need it, battery life longer than similar products by 50% - Come with particular power managing software, indicates the power capacity in Microsoft Windows System automatically - Built-in software solutions with Bluetooth human interface device and comply with the standard version of the Bluetooth SIG Bluetooth 2.0 - Built in rechargeable Li-ion batter, support USB charge; Specifications: - Frequency band: 2.4 - 2.4835GHz unlicensed ISM band - Receiving sensitivity: -75bm (standard) - RF output power: up to 4bm as maximum, good for your health with lowest radiates - Operation distance: 0 - 10 m - Operating temperature: -10 55 - Workable environment: 0-55 - Humidity: 20%-50% - Size: 115 x 60 x 6 mm - Net weight: 40g