Power plug external power

Note: There is no mobile power comes with the backpack inside.^#^^#^If you want to use External USB Charge Function, you have to do as follows:^#^1.Buy a mobile power ^#^2.Connect your mobile power with the USB interface inside the backpack ^#^3.Connect your phone with the USB interface outside the backpack^#^4.Charging begins.^#^^#^There are 2 kinds of mobile power in the market:^#^1. Plug in your phone, you can start charging.^#^2. Plug in your phone also need to press button of mobile power then start charging^#^To cope with this backpack, we suggest purchase of the first mobile power.

USB Current Voltage Tester Checker Power Meter Monitor^#^^#^This little USB Voltage Current Tester has been very useful in ferreting out both weak chargers and poor USB cables by changing cables and chargers systematically and checking the current draw and voltage^#^Great Charging Monitor to have in your bag for testing power draw on USB devices.Very handy meter for checking line voltage and current^#^The Homern Charger Doctor is a great way to see if your devices and batteries are putting out the voltage and amperes that the producers claim^#^It's a goofy little usb digital multimeter. Premium quality, low cost solution for testing out USB battery packs, cables, and chargers^#^A Must Have Gadget for DIY Fans and Hi-Tech Lovers to Charging USB interface Electronic Devices Faster.^#^^#^Product description^#^How many times we seen posts asking "my phone is not charging fast enough" or "I have a bunch of usb cables and old chargers, which one to use"? So how do you find this perfect combo of charger and cables to give you the fastest charging speed? Use our Charger Doctor!!!^#^^#^The USB Charger Doctor is a small device that goes in series with your usb cable to measure the devices voltage and current consumption.^#^^#^Within a few minutes you are able to get rid of all faulty phone chargers and cables. What a time saver and problem solver easily one of best diagnostic tools available.^#^^#^This is a great USB Charger Doctor. Plug it in to any USB port or charger and it automatically tells you what the voltage and charging Amperage is. Great for finding out if your wall charger is any good, needs replaced or how much power a device is drawing. Large LED numbers, without external power supplies^#^^#^Feature:^#^The display cycles every 5 seconds between amps and volts in a red LED display?^#^Great tool for verifying USB voltage and device charging rate^#^Detect any USB charger such as PC USB, home charger, car charger^#^Widely 3V-8V Voltage and 0A-3A Current Test Range Support with Accurate Readings^#^Extremely Portable, Light Weight, Small Size and Durable, No Extra Cable or Power Supply Needed^#^Specifications^#^Scope of work: Current (0-3A) can detect mobile phone charger voltage compliance DC5V?^#^Working Range: U = 3~7.5V I = 0~3A^#^Resolution:10mV / 10mA^#^Error Range: voltage <1 current <2 ?^#^Full scale drop: (When measuring current) 200mV^#^Operating Temperature: 0-60^#^Screen size: 0.4inch^#^Dimensions: 6.8 * 2.3 * 1.2cm^#^1 x USB Charger Doctor

Accessories Included:English Manual; Quantity:1pc; Light Color:Colorful,Change; Voltage (V):86-220; Wattage:0.5; Connector Type:EU Plug,US Plug; Light Type:Smart Night Light,Wall Plug Nightlight; Power Supply:DC Powered; Certification:3C; Dimension:1355; Features:Smart Induction,EU,US,Light Control; Net Dimensions:0.0000.0000.000; Net Weight:0.000; Listing Date:03/21/2019; Production mode:External produce

Quantity:1pc; Light Color:Warm White,Multi Color,White,Blue; LED Beads Quantity:96; Voltage (V):220-240; Initial Lumens:600; Wattage:5; Mode:8 Modes: (1.Combination 2.Wave 3.Sequential 4.Glow 5.Flash 6.Slow Fade 7.Twinkle 8.Continuous); Type:String Lights,Flexible LED Light Strips; Style:Christmas,New Years; Certification:CE Certified,RoHS; IP Rating:IP65; LED Type:High Power LED; Suitable Rooms:Not Specified,Bedroom,Living Room; Control Mode:ON / OFF; Length:1.5m1.5m; Features:Curtain String Lights,Christmas Wedding Decoration,Holiday,Decorative,Party; Net Weight:0.000; Listing Date:10/30/2019; Production mode:External produce