Bluetooth GamePad for PDA, Pocket PC, Smart Phone. Arrow Keys: Up/down/Left/Right (4-way) Custom Keys: 6 (A, B, C, D, Left and Right) Start Key: 1 Multilingual Support Bi-color LED: 1 Battery: 1 (1.5V \"AAA\" battery) Power on/off switch Standby Current: 1~10mA, depending on handheld device Operation Current: 2~50mA, depending on handheld device Standby Time: 39/H, connected and ready to use Operation Time: 3.5/H, functioning continuously Dimensions Closed: 145 x 44 x 30.5 mm Dimensions Open: 145 x 127.32 x 30.5 mm Weight (including 1.5V*1): 130.2g Supports: Nokia 3650, 6260 , 6600, 6630, 6670, 6680, 7610, 7650, N-Gage, N-Gage QD Sendo X Siemens SX1 SonyEricsson P800, P900, P910 Motorola A925, A1000 O2 Xphone Dopod 565, 575, 585, 700, 818, 699 Orange SPV C500, SPV E200 Audiovox SMT 5600 iPAQ h1940, h5550, h2210, h2215, rx3417, rx3715, hx4700, h6365 T-Mobile SDA Music, MDA II, MDA III, MDA Compact O2 xda II, xda IIs, xda II mini i-mate Pocket PC, Jam, PDA2K Qtek S100 Asus P505 ETEN M500 Acer n30 series Dell Axim X30, X50