Type-C USB tester can monitor voltage, current and other data of the USB and Type C devices. It supports a variety of quick-charging protocols automatic detection and can meet the diverse needs of users with different kinds of mobile phone. Mini size, lightweight and portable, quiet and safe to use, it's a practical tool in daily life. Features: [2 Types Optional] -- 2 types for option: without BT/ with BT. BT type USB tester supports APP in mobile phones (compatible with Android 5.0 and above, compatible with iOS) and computers (compatible with WIN7 and above), easy to set and measure via APP remote control. [USB Tester Tool] -- The Type-C USB tester can monitor Voltage, Current, Capacity, Electric Energy, Power, Temperature, Resistance, Charging Time and other data of the USB and Type C Devices. It can also test the capacity of the power bank or battery. [IPS LCD Color Screen] -- 12800 pixels, 160*80 resolution. Easy to switch different display interface via the button. Supports flipping the screen to 180 degree, and personalized interface. [Wide Application, Mini Size] -- A variety of quick-charging protocols automatic detection, compatible with Android and iOS phones, FCP (9V/2A), SCP (4.5V/5A), QC 2.0/ QC 3.0, iOS 2.4A/ 2.1A/ 1A/ 0.5A, Android DCP/ AFC, PD 3.0/ PD 2.0 and more protocols, meeting the diverse needs of users with different kinds of mobile phone. Mini size, lightweight and portable to carry. [OTG Connector] -- Comes with OTG connector, insert it to trigger PD protocol ( default 5V output). In this method, phone connected in the output interface can't enter into high voltage fast charge. [More Advanced] -- Adopts 5A large-current USB interface, easy to test various current testing data for wide range of use. Our product is more advanced than those ordinary products with USB 3.0 interface. [Bidirectional Current Charging Detection] -- Adopts unique measuring chip, USB tester can be connected to power adapter or to mobile phone. [Multiple Protection] -- With over-voltage protection, over-current protection and under-voltage protection, this upgraded Type C USB tester can detect safety and maximally protect the devices connected from damaging. [Quiet to Use] -- No buzzer, silent operation brings relaxing sleeping, resting or working environment. It's a upgraded version than old time. Operation Manual: (1) Press the Button Once: Switch the display interface (2) Fast Double-Click to Clear Capacity (mAh) (3) Fast Three-Click to Clear Electric Energy (mWh) (4) Fast Four-Click to Clear Time (00:00:00) (5) Fast Five-Click: Replace the cumulative data storage group number (NO.X) (6) Long Press the Button: Clear capacity, electric energy and time (mAh, mWh, 00:00:00) (7) Long Press the Screen to Flip -- in "Screen rotation" display interface (8) When the screen is black, long press the button to enter the background mode (9) In background mode, short press to the second item and then long press to calibrate the current (at no-load) to zero. (10) In the over-voltage low-voltage over-current setting interface, double-click to add the value, three-click to subtract the value, and when adding and subtracting, press and hold for the continuous addend and subtraction. Specifications: Type: without BT/ with BT (Optional) Screen Color: Multicolor Screen Type: IPS LCD Screen, 12800 Pixels Resolution: 160*80 Case Color: Black Material: ABS Voltage Measuring Range: 3.60V~36.0V Current Measuring Range: 0.00~5.10A Capacity Range: 0~99999mAh Electric Energy Range: 0~99999mWh Power Measuring Range: 000.00~150.00W Resistance Measuring Range: 1~999.9 Temperature Measuring Range: 0~80 Maximum Timing: 999h 59min 59s Input Interface: Type-C/ 5A USB Output Interface: Type-C/ USB USB D + Voltage Range: 0V~2.99V USB D - Voltage Range: 0V~2.99V Refresh Time: 500ms/time Measuring Rate: about 0.5time/s Self Current Consumption: 0.02A Working Environment: -10~+60, 10%-80% non condensing, 80~106kPa Item Size: 66.5 * 60.5 * 11.0mm / 2.62 * 2.38 * 0.43in Item Weight: 16g / 0.56oz Package Size: 133.5 * 102.5 * 16.5mm / 5.26 * 4.04 * 0.65in Package Weight: 35g / 1.23oz Package List: 1 * Type C USB Tester 1 * OTG Connector 1 * User Manual