Compact 155mm body with 2.8cm thin design and 238g lightweight build Aluminum alloy frame enhances anti interferences and 30% better heat dissipation than shell competitors Equipped with DC5.5 and USB ports, it supports / adapters under 1W low power consumption Plug play 5V operations requires none professional power equipment Default 7.83Hz precisely mimics Earth ' s resonance, using 3V sine waves to gently stimulate parasympathetic nerves, easing anxieties in bedrooms or study rooms Delivers clean, stable signals without distortion, ensuring authentic waveform reproduction for electronics testing, teaching, or therapies applications This waving generator features 0.1Hz-30KHz programmable frequency with ±1% accuracy, ideal for both scientific research and therapeutic use, perfect for lab calibration or space optimization, Manufacturer: Oxxggkao