HORN BIKE | IPHONE 4 BICYCLE AMPLIFIER
The format recalls the old gramophones, but the invention is ultramodern. Created the Thai company Bone Collection, the Horn Bike is a eco-friendly silicone bicycle amplifier, in addition to holding the device it amplifies sound (with no external power source required). Horn Bike comes with a strap and fits all bicycles, made of silicone, it is shock and scratch proof. Plus, it amplifies the sound by up to 13 db! Also check out the very cool Horn stand.