IAN: 346570
Features
Bluetooth® Ear Defenders PKB 5 A1
Integrated hands-free function with integrated microphone and headphones – provides continued hearing protection even when need to communicate
External audio sources can be transmitted via Bluetooth® (radio, music, phone calls)
Technical data
Operating voltage: 5 V
Direct current via USB charging socket
Built-in rechargeable battery: 3.7 V rechargeable lithium polymer battery,
500 mAh, 1.85 Wh
Charging time: approx. 4 hours
Operating time (music & phone): approx. 25 hours (at medium volume)
Standby time: approx. 380 hours
Wireless standard: Bluetooth® 5.0
Supported profile: A2DP, AVRCP, HSP, HFP
Range: approx. 10 m
Dimensions (w x h x d): (Folded) approx.145 x 124 x 98 mm
(Extended) approx.133 x 206 x 98 mm
Weight: approx. 302 g
Operating temperature: 5 °C–35 °C
Humidity (no condensation): 10 –70 %
Storage temperature: 0 °C–40 °C
Bluetooth® Frequency band: 2402 MHz–2480 MHz
Max. transmitted power: < 20 mW
Wideband characteristic voltage
(WBCV) (wired): 580 mV +/-10%
Earmuffs and cushions: Not exchangeable (Expiry 08/2023)
Noise Reduction Rating: SNR approx. 28 dB (H = 30 dB, M = 24 dB, L = 20 dB)
Attenuates disturbing external noise: Max. 82dB (+/- 5%)
Sound output level: 72 dB +/- 10%
Material of headband: Steel, PU
Material of cushion: PU