Weme via Amazon offers the Alxum 4-Port USB 2.0 Data Hub with 47" Cable for $6.88. Coupon code "S5MMH4NZ" cuts it to $2.99. With free shipping for Prime members, that's tied with our mention from a month ago as the best price we've seen. (It's the best price today by $3.) It features overvoltage/overcurrent, leakage and short-circuit protection. Deal ends July 23.