ТЕХНИЧЕСКИ ХАРАКТЕРИСТИКИ done ATN X-SOUND HEARING PROTECTOR SKU ACPROTXSND Noise Reduction Rating 22 dB Sound Activated Compression (reaction time) 0.02 s Battery type 2 AAA Battery life 300 h Bluetooth version 5.0 Dimensions 4.9” x 3.7” x 0.5” / 125 x 95 x 13 mm Weight 0.8lb / 370 g Warranty 2 Year ATN X-SOUND HEARING PROTECTOR