Main Features: 1. Powered by an external 18650 batteries with 90W max output, support re-charging by a micro USB port 2. ABS shell printed with 12 kinds of graffiti patterns, eye-catching and distinctive 3. Support 10s continuous vaping time, available for a mouthful experience 4. One-button setting, operable and manageable Specifications: Brand: Vapor Storm Model: ECO Material: ABS Battery: Single 18650 battery ( Not included ) Max Wattage: 90W Voltage Range: 3.3 – 4.2V Output Voltage: 0 – 4.2V Charging: Micro USB port Fast Balance Charging: 5V 750mA Coil Resistance Range: 0.09ohm Continuous Smoking Time: 10s Thread: 510 Product Size: 8.2 x 4 x 2.5cm Package Size: 13 x 7 x 5cm Product Weight: 0.046kg Package Weight: 0.134kg Package Contents: 1 x Vapor Storm Eco Mod 1 x Micro-USB Cable 1 x User Manual