PARAMETER: Speed: 10,000 RPM; Stroke Length: 4MM; Needle Depth: 0-4MM; Output Voltage: 3-12V; Suggest Voltage: 6-9V; Battery Capacity: 1500mAh; Work Time: 6-8 Hours; Recharge Time: 2-3 Hours; Recharge Method: Type-C. DESCRIPTION: Versatile Charging Options - The Neebol R1 offers flexible charging with both wireless and plug-in options. This dual-mode functionality ensures you can always keep your device powered, whether you're at home or on the go. Extended Standby Time - Experience up to 6-8 hours of continuous use on a single charge. This extended battery life supports long tattoo sessions without the need for frequent recharging, ensuring uninterrupted creativity. Brushless Motor Technology - Equipped with a high-efficiency brushless motor, the Neebol R1 provides smooth, stable power delivery. This technology reduces vibration and noise, enhancing precision and comfort during your tattooing process. TFT Display Screen - The R1 is equipped with a clear, high-resolution TFT display screen. This screen provides real-time feedback on battery status, mode settings, and power levels, ensuring you have all the information you need at a glance.