Keep up to four of your electronic devices charged & ready for use with the Powertraveller SPIM001 Spidermonkey USB (Universal Serial Bus) Charger Hub. With a stylish aluminium design, the SPIM001 sits unobtrusively alongside your gadgets & offers four USB (Universal Serial Bus) charging ports, allowing multiple items to be powered up simultaneously. The top two USB (Universal Serial Bus) sockets are designed with Apple products in mind & feature self-sensing technology, which allows them to automatically detect what device is attached & adapt the charging parameters accordingly. The other two ports are designed primarily for Samsung & Nokia devices, although they can be used by any device that can be charged via 5 V USB (Universal Serial Bus). A universal AC mains charger is included & in addition to this, the Spidermonkey can also be powered via micro USB (Universal Serial Bus) or 5 V-30 V socket. Making it easy to keep your mobile phones & MP3 players charged & good to go, the Powertraveller SPIM001 Spidermonkey USB (Universal Serial Bus) Charger Hub is an invaluable addition to any gadget heavy household. Please Note: 9 V DC-in & 5 V DC-in cannot be connected simultaneously as all inputs are in parallel connection & this could damage your devices.