Keychain Power Bank

Never worry about running out of battery again with this mini emergency power bank.  Features: - Supports transparent transmission function- Ultra-compact and portable design- High-speed charging with multiple protection features Portable charger Ideal for boosting performance and extending the life of your tablet, cellphone, wireless speaker, e-reader or other standard USB device. Provides 1500mAh internal battery and common power output for more additional batteries. Waterproof rubber surfaces Designed to withstand the most extreme outdoor conditions, waterproof, drop and dust resistant, for camping, hiking, mountaineering or just going out. Compact design, can be easily carried to different job sites. Built-in carabiner Ability to attach the included carabiner to a backpack, belt, harness or other security loop, keeping your strength at arm's length. Fits in a pocket, purse or purse. Stay charged A great adventure companion that easily slips into a small pocket, purse, or b