
Capacitive Stylus Pen for Apple Pencil PRO 4th Generation for iPad USB C. Bluetooth 5.3 Technology: Ensures stable 20m range connection with graphene-coated MEMS speakers. IP67 Water Resistance: Heavy sweat and shower-proof design for intense fitness and industrial use. Extended Battery Life: 12 hours continuous playback with 150 hours standby time. Lightweight Design: Weighs only 98g, lighter than sunglasses for all-day comfort. 18-Month Warranty: Covers manufacturing defects including battery replacement after 500 cycles. Custom Logo Service: Embroidery available for orders of 300 pieces or more. Fast Prototype Turnaround: 72-hour prototype development capability for rapid testing. FDA Registered Facility: Manufactured in a facility registered with the FDA for quality assurance.