Smart Sleep Aid Portable EMS Sleep Aid Handheld Design Heart-Shaped Smart Sleep Companion

Power supply method: rechargeable version Function: Wireless remote control, timed Battery capacity: 180mAh Charging time: 90 minutes Input/output: 5V/1A Duration of use: 46 hours Product packaging: 10.6 * 10.6 * 4cm Built in battery capacity: 100mAh-300mAh (inclusive) Built in battery: Built in battery Battery life: over 12 hours Display mode: LED LCD display Main functions: decompression, concentration Product standard configuration: host, manual, Type-C charging cable