The FL-301 Portable Back Massager represents the ideal blend of compact design and powerful performance. Manufactured in FENLI’s ISO9001-certified factory in Zhejiang, China, this unit features a ultra-slim profile driven by a quiet, energy-efficient motor assembly. The internal 2200mAh rechargeable lithium battery provides consistent power for up to two hours of portable therapeutic use. FENLI’s strict manufacturing standard includes 100% battery cycle testing, drop resistance evaluations, and electronic safety checks prior to final packaging. certified with CE, FCC, and RoHS standards, FENLI supports international OEM/ODM clients with custom casing colors, branded packaging, and fast Ningbo port export fulfillment.