3c TWS Nowe słuchawki douszne A520 bezprzewodowe Bluetooth do biegania, sportowe, specjalne, model prywatny z cyfrowym

Shenzhen Lanjinxiang Technology Co., Ltd. has a factory with 4000 square meters of production space and 4 formal production lines. We independently design and develop products from research and development to mold opening. We welcome inquiries from cross-border e-commerce clients such as , , , and to visit our factory to view products and request samples. This product is a newly developed product and can be sold exclusively to powerful e-commerce companies! Our company is a digital manufacturer specializing in the independent research and development and production of Bluetooth earphones Main parameters: Product model: A520 ear mount Speaker material; composite diaphragm 6um Bluetooth chip: Jerry 6983D4 Standby time: 180 days+ Working hours: 4-5 hours The charging case can charge the earphones three times or more. Charging time: about 1 hour Communication distance: barrier-free 10- 15m Headphone battery capacity: 40mAh Charging case battery capacity: 400mAh with IC protection board Packing information: Headphones + bare unit + data cable + manual + complete set packaging weight: 154g Product accessories: charging cable + bilingual manual Color box neutral packaging Warm reminder: Our factory defaults to shipping via YTO Express and large items via Express! We support small batch orders but not retail. Individual buyers please choose carefully as returns do not cover return shipping costs. Dear brothers and sisters, please be cautious when placing orders, thank you for your understanding! Our factory can provide OEM services, with a minimum order of 500 sets for LOGO silk-screen printing and 1000 sets for custom packaging. You can also provide your own packaging; please consult Wangwang customer service for details!