1. 3.5mm audio plug 2. High-fidelity sound quality, continuous recording 3. High metal wheat clip, firmly fixed 4. It can be clipped on clothes arbitrarily, such as neckline, T-shirt cuffs, and portable 5. Cable length: 3 meters 6. Net weight: 20gSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 14cm * 9.7cm * 2.7cm / 5.51inch * 3.82inch * 1.06inch Qty per Carton 100 Carton Weight 6.00kgs / 13.23lb Carton Size 45cm * 33cm * 33cm / 17.72inch * 12.99inch * 12.99inch Loading Container 20GP: 544 cartons * 100 pcs = 54400 pcs 40HQ: 1263 cartons * 100 pcs = 126300 pcs