New YX12 Bluetooth Single In Ear Mini Wireless Headphones Sleep Invisible

YX12 parameters: Bluetooth version: V5.3 Bluetooth chip: Jerry 6973 Bluetooth distance: approximately 10M Earphone battery: 35MAH Horn: F8 genuine copper ring Earphone colors: black, white, pink, skin tone Listening to music call time: about 4 hours Charging time: approximately 1 hour Frequency: 20Hz-20KHz The impedance is 32 ohms Sensitivity 115dB/mW Waterproof level: Domestic waterproof Bag size: 14 * 8 * 1CM Bag weight 13G Complete set of color box packaging size: 9.5 * 6 * 2.2CM Complete set of color box weight: 21G Accessories: One instruction manual, one charging cable, and one earphone {"styleType": "offer type 1", "items": "75343167171075373783013295737708919057738505744580738086462730554828752726270093219714046037913406593066", "usemap": "_sdmap1"}