350pcs Flat Head Solid Rivets M4 Kit, Aluminum Rivets Set Length 4/6/8/10/12/16/20 mm Fastener for Household Automobile Industry auspowers_batchone Output: 5v/3

Output: 5v/3

5-10 Inch suggest bike seats with width 10

Voltage: 12V AC or DC

The USB power adapter output adjusts while charging to keep your connected devices safe using two USB ports

350pcs Flat Head Solid Rivets M4 Kit, Aluminum Rivets Set Length 4/6/8/10/12/16/20 mm Fastener for Household Automobile Industry auspowers_batchone Output: 5v/3350pcs Flat Head Solid Rivets M4 Kit, Aluminum Rivets Set Length 4 6 8 10 12 16 20 mm Fastener for Household Automobile Industry Product Features [High Quality] Rivet is made of aluminum with good corrosion resistance and long service life. [Reasonable Desigh] Flat head design makes installation surface simple and beautiful, will not scratch hands. [Practical Tool] Rivet adopts solid structure with higher mechanical strength. Firm and secure fixation,