Features:1.Small and lightweight, ear clip to wear, comfortable and painless.2. the speaker is near the ear, but not in the ear. This will help you listen to the surrounding environment at the same time, allowing you to maintain the safety of walking, running and driving, and provide portability for business and work.3. Compatible with versions of conventional devices on the market.4.IPX4 waterproof, meeting the needs of daily life.5. music/call function with one click control,6.Version 5.0, JL6973 chip, about 10m transmission distance.7. 50mAh battery capacity, 1.5 hours charging time and about 5 hours working time.Package weightOne package weight: 0.06kgs / 0.14lbQty per carton: 100 pcsWeight of the box: 7.00kgs / 15.43lbCarton size: 45cm * 32cm * 35cm / 17.72 inches * 12.6 inches * 13.78 inchesContainer20GP loading: 529 boxes * 100 pcs = 52900 pcs40HQ: 1228 boxes * 100pcs = 122800 pcs