Cervical massager

▸ Material structure: elastic plastic + silicone | U-shaped neck structure
▸ Power supply parameters: 5V/2A USB interface | 1500mAh lithium battery
▸ Physical parameters: 142×138×50mm | Net weight: 0.2kg
▸ Function Modes: 3 Pulse Modes | 15 levels of intensity adjustment
▸ Technical configuration: gold-plated electrodes | NTC temperature control ≈ 42°C