The Essential Gomadic Car and Wall Accessory Kit designed for the Sony PRS-700BC Digital Reader - 12v DC Car and AC Wall Charger Solutions with TipExchange Gomadic TipExchange Technology protects your investment by allowing you to change/upgrade either charger by simply swapping the physical charging tip. (Charging tips for Sony PRS-700BC Digital Reader included with additional tips sold separately). This Gomadic Car charger has a wide input voltage range of 12-24vDC to support all vehicle charging ports. Works in cars, trucks, planes, boat, RVs and more (both domestic and international). Available output current is an impressive 10W/2A . (Twice most competing products!) Gomadic Wall Charger is built to support worldwide voltage input levels ranging from 100-240vAC /50-60 Hz. High output 10W /2A transformer provides output voltage and resistor configuration specific to the Sony PRS-700BC Digital Reader. Kit includes two essential Sony PRS-700BC Digital Reader accessories in one convenient package. A select best-selling product bundle from Gomadic Corp, one of the leaders in consumer electronic charging accessories since 2001.