Feature:1. LITHIUM ION BATTERY POWER: Powered by built in rechargeable lithium ion battery for long lasting performance and long service life2. PORTABLE SIZE: Made of good quality ABS, stable, strong and durable. Portable and compact, easy to store and carry3. USB RECHARGEABLE: This screwdriver works with a USB charging cable, so you can use the USB port to plug anywhere, such as laptops, power banks, car chargers, and more4. EASY TO GRIP: Mini electric screwdriver is lightweight so that you can use for long stretches without hand fatigue. Plus, the slim design makes it easy to get into tight spaces5. STABLE AND DURABLE: Mini cordless electric screwdriver has stable structure, excellent performance and long using timeSpecification:Item Type: Mini Electric ScrewdriverMaterial: ABS, metalColor: Black, silver, goldBattery: 1 x 18650 lithium batteryCapacity: 2600mAh (capacity of a single battery)Rated Voltage: DC3.6VNo Load Speed: 200rpmCharging Interface: Type CUses: Used for circuit maintenance, bicycle maintenance, electrical maintenance, switch installation, etc..Package List:1 x Electric Screwdriver1 x S2 Screwdriver Bit1 x Magnetic Coil Screwdriver Bit1 x Data CableNote:Please allow tiny size error due to manual measurement. Thanks for your understanding.