Soundcore Aero Fit earphone, Bluetooth, black

Product description: Shape: open ear, operating time per charge: up to 11 hours, total operating time with charging case: up to 42 hours, charging time: 1 hour (earphones), 2 hours (charging case), fast charging: 10 minutes of charging = 4 hours of playback, battery capacity: 85 mAh ×2 (earphones), 750 mAh (charging case), input: 5 volts ⎓ 1.2 amps, output: 5 volts ⎓ 0.5 amps (0.25 amps per port), charging port: USB-C, calls: 4 microphones with AI Clear Call technology, water resistance level: IPX7 earphones, charging case is not water resistant, sweat resistant: SweatGuard, driver unit: 14 mm dynamic drivers, driver material: titanium polymer, frequency response: 20 Hz - 20 kHz, impedance: 11Ω, Bluetooth version: 5.3, Bluetooth range: 10 meters, maximum volume: 92 decibels, Soundcore app: Yes, controls: touch