Specifications: Wear: No distinction between left and right ears Max sound output: ≤115±4dB Max gain: ≤41dB HFA gain: 28±3dB Inout noise: ≤32dB Total harmonic wave distortion: ≤5% Frequency range: 350~5000Hz Environment noise cancellation: Support Charing box: Type-C port, 300mAh battery, full charging for 2 hours, can recharing sound amplifiers 2~3 times Sound amplifiers: Full charing about 2 hour in the box, working time more than 24 hours after fully charged Color: Beige+Red, Beige+Blue Note: Please remove the insulating sheet on the hearing amplifiers before charge and use Packing list: 1 Pair of Hearing Aids 3 Pair of Silicone Earplugs (L/M/S size) 1x Charging Box 1x Type-C USB Charging Cable (0.52m) 1x Small Cleaning Brush 2x Wax Guard Filter 1x User Manual.
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