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Head on over to Amazon.com and score a nice deal on this Unitek 4-Port USB Charging Station when you enter promo code 2E3KDYEE at checkout. This charging station charges up to four devices simultaneously by using only one wall outlet.
Shipping is free on a book order of $25 or an order of $35 or more. Amazon Prime members (sign up for a 30-day free trial here) can get free 2-day shipping. You may also have the option of choosing free no-rush shipping and get a $5.99 credit for Prime Pantry OR a $1 credit for eBooks & more.
Thanks Hip2Save!