Nuovi auricolari Bluetooth J2 con doppio display digitale TWS in ear e modello business con controllo touch stereo

J2 parameters: Bluetooth version: V5.3 Bluetooth distance: approximately 10M Charging compartment battery: 180MAH Earphone battery: 30MAH Horn: F10 Listening to music call time: about 3 hours Charging time: approximately 1 hour Frequency: 20Hz-20KHz The impedance is 32 ohms Sensitivity 115dB/mW Waterproof level: Domestic waterproof Package size: 13.5 * 9 * 3.3CM Complete set weight: 85G Charging compartment size: 6 * 4.5 * 2. CM Charging compartment+headphone weight: 65G Accessories: One instruction manual, one charging cable, one charging compartment, one hanging rope, two earphones This product has noise reduction function. If you need it, you can contact customer service.