The Sense 1500 Puff Disposable Vape Device is small and measures 114mm x 21mm x 14mm. The Estimated Total Puff Count is 1500. The Battery being used is 700mAh and cannot be charged. The Pre-Filled Salt Nicotine is 5% or 50mg and holds a total of 4mL. The Coil Resistance is 1.0 Ohms. Maximum Output Voltage is 3.6V. This is a Draw Activated Device that has a Soft Rubber Drip Tip. This is Non-Refillable.