Cross-border M57 private model new model, in-ear open digital display air conduction OWS smart AI translation Bluetooth headset

Do not take photos for personal use, no retail after-sales service   Support domestic e-commerce agency delivery and cross-border transit warehouse labeling agency delivery   The product has cross-border certification and battery report, please contact customer service {"styleType":"offer-type-1","items":"898834814619,854024760551,857993555785,845633779289,984018109901,977419346335,981896436297,955382581456,934089349985","usemap":"_sdmap_1"} Enterprise strength : Shenzhen Auri Technology Co., Ltd. is a source factory specializing in digital products such as Bluetooth headsets. It supports private customization of LOGOs and accepts OEM/ODM orders from customers. Domestic and foreign traders and e-commerce platforms (Amazon, LAZADA, AliExpress, etc.) are welcome to negotiate business. Spot supply, dedicated warehouse delivery, please contact directly for large quantities.      The main parameters :  Product model: M57 Bluetooth headset  Bluetooth solution: Bluetooth V5.4, high-definition binaural calls, ENC call noise reduction Product speaker: F14.2 copper ring speaker Product chip: Lanxun 5656C2 Standby time: 60 days+ Working time: 4-5 hours, the charging compartment can charge the…