Firefly Portable Muscle Stimulator for Active Recovery This portable muscle stimulator uses electrical pulses to stimulate the peroneal nerve in the leg and trigger muscle contractions during recovery. Its compact, wire-free format fits active routines, travel, and post-training use without bulky equipment. Each device delivers 30 hours of recovery treatment, with a suggested session length of 1–4 hours based on training intensity. Accessory straps can help keep the device in its optimal position. The battery is not replaceable or rechargeable. Features Electrical pulses stimulate the peroneal nerve in the leg Triggers muscle contractions during recovery Portable format designed for active lifestyles and travel 30 hours of recovery treatment per device Suggested recovery sessions of 1–4 hours based on training intensity Accessory straps help maintain positioning Battery is not replaceable or rechargeable Specifications Product type: Portable muscle stimulator Treatment duration: 30 hours per device Suggested session time: 1–4 hours based on training intensity Stimulation method: Electrical pulses to the peroneal nerve Included configuration: Default Title Battery: Not