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strength Store under Jinanda Technology: Yiju Huashang Technology Enterprise Strength: Shenzhen Jinanda Technology Co., Ltd. is a company specializing in private molding of Bluetooth earphones. It has two factories and one mold factory, with a production site of 5000 square meters. It has the strength of independent research and development design, mold opening, injection molding, and production and manufacturing. Welcome to Tiktok,, Jingdong,,,, shrimp skin, international stations and other customers to consult [volume can be discounted, new and old customers are welcome to find customer service inquiry] Reasons for choosing us: 1. I have already passed BSCI social responsibility certification and ISO9001 quality system certification. Direct delivery, fast and convenient, ensuring both quality and service 2. With 9 years of experience in production and research and development of Bluetooth earphones, we have never stopped innovating and advancing. 3. Our styles are novel and have a unique appearance, mainly using private molded products to improve quality for our customers. 4. Complete design patents/CE/RoHS,/FCC Japanese certified patents 5. Rich industry experience, professional production lines, advanced R&D and production teams, fully inspected and rigorously aging tested products, stable quality, and peace of mind for JD brand customers Q: Can you do OEM? We can OEM and also ODM; What is ODM? Developing products according to customer needs; Usually, it's not possible to do ODM, only OEM. It's as simple as sticking a label. Customers who require higher standards are welcome to come YYK-520 Bluetooth Earphone Wireless Headphones Stereo Handsfree Noise Cancelling Bluetooth Headset with Mic for all Smart Phone Product Feature: Bluetooth V5.2 chip, stable single transmission Bluetooth transmission distance: 10 meters 360 degrees rotating design, suit for left and right ear Support adjust volume and change music Battery capacity of the headset: 60mAh Battery capacity of the storage box: 500MAH Noise Reduction: CVC 8.0 Working voltage: 3.7V Charging voltage: DC5V Charging Time: about 1.5 hours Talking time: 5-6 hours M Usic time: 5-6 hours Frequency response: 50Hz -20KHz Products include 1 * Bluetooth headsets 1 * Charging box 1 * Charging cable 1 * User Manual 2 * Ear cap Outer box: 31.5 * 29 * 42.5CM One box/100 Gross weight: 15.6KG Packaging 15 * 8 * 2.6CM Gross weight 150G