Model Number: Senken JQD-20B3
Brand Name: Senken
Key Specifications/Special Features:
Features:High intensity shell, lightweight, small size, waterproof and aquosity proof, corrosion-resistantAdopting Nd-Fe-B magnet with high electro-acoustic transmission rate and wide frequency rangeComputer aided design with excellent workmanship and high reliabilityTechnical specifications are in accordance with international standards