Get ready to rock your vaping experience with the Lookah Guitar 510 Cartridge Battery. This mini powerhouse not only delivers exceptional performance but also doubles as a unique style statement for music lovers. Compact & Stylish Design: Shaped like a guitar, this sleek and compact battery fits perfectly in the palm of your hand, making it a great conversation starter at concerts and parties. Versatile Voltage Options: With a 350mAh capacity, the battery offers three preset voltages: 3.4V, 3.7V, and 4.0V. Each voltage is represented by a distinct LED color (blue, purple, or white), allowing you to choose your preferred flavor intensity or cloud size. User-Friendly Features: The battery includes four power LEDs that display the charge level in 25% increments, so you're always aware of how much power you have left. The single tactile power button ensures easy and intuitive operation. Convenient Charging: Equipped with a type C USB port and pass-through charging, you can use the Lookah Guitar 510 Cartridge Battery while it charges. Never miss a beat with this handy feature. Portability: The lanyard clip allows you to wear the mini vape around your neck, ensuring you can enjoy your favorite vape carts wherever you go. How to Use: Screw your 510-thread vape cartridge into the neck of the guitar-shaped battery. Press the power button five times within 2 seconds to turn the device on. The LED indicator will flash to signal activation. To change the voltage, press the power button twice within 0.8 seconds. The voltage modes are:  Green: 3.4V Blue: 3.7V White: 4.0V Press and hold the power button to vape and inhale from the mouthpiece of the cartridge. Specifications: Size: 62x20x39.5mm Battery Capacity: 350mAh Charging Current: 300mA Input Voltage: 5V Resistance Range: 0.8 to 5 Ohm Elevate your vaping experience and show off your love for music with the Lookah Guitar 510 Cartridge Battery. Get yours today and let the music play!