YATO YT-74626 Electronic Earmuffs W/ Bluetooth (29db)

SNR attenuation value: 29 dB

Protection category: III

Type of: EM-9001B

Standard: EN 352-1:2002, EN 352-4:2001 + A1:2005, EN 352-6:2002, EN 352-8:2008

Material: ABS, foam, PVC, POM

Functions: built-in microphones, AUX port

Data standard: Bluetooth

Battery type: Li-Po

Battery capacity: 750 mAh

Battery voltage: 3.7 V d.c.

Charger type: USB

Working time: 30 h

Charging time: 3.5 h

Low battery indicator: yes

Auto power off: 2 h

Adjustable: yes

Weight: 348 g