IT-31 ISOTunes Link Earmuff EN352
 
Attenuating Earmuff – over the head/ear with Bluetooth connectivity in Safety Orange
Hearing protection device that allows the wearer to accept phone calls or stream music via Bluetooth paired devices.
Headset Weight:- 440 grams
This product has been tested and approved to EN352-1. It also complies with the latest RoHS, WEEE, FEC &CP65 standards.
Notified Body:- BSI Group - The Netherlands B.V. PZT 1974
EN352-1
SNR - 30 dB
HML  H = 34dB   M = 27dB   L = 21dB
Technical Specification:-
EN 352-1:2002 Hearing protectors - General requirements - Part 1: Ear Muffs
EN352-8:2002 Hearing Protection – Entertainment Audio Ear Muffs
PPE Regulations 2016/425
ANSI S2.19 1974
The EU declaration of conformity can be accessed at www.isotunes.co.uk/EU-declaration-of-conformity
Bluetooth V4.2 Technology
Bluetooth Profiles supported:- HSP, HFP, A2DP, AVRCP
Supports iOS Bluetooth battery level indicator.
Transmission power:- Class 2
Operational range:- Up to 10 meters/30 feet
Lithium Ion rechargeable battery (included). 14* hours Music streaming/Talk Time. Standby time 37* hours.
Optional 3 x AAA batteries (not included). 28* hours Music Streaming/Talk Time. Standby time 64.5*
hours.
*Times vary depending on usage
Micro USB charging for Lithium ion battery.
Charging Voltage:- DC4.75 – 5.25 Volts. Only use a charge of 5 Volts/1 Amp output maximum. Using a charger higher than 5 Volts/1 Amp output could be dangerous and may damage the headset.
Battery details:-
Type:- Lithium ion.
Number:- 1
Weight :- 10 grams
Number of cells per battery :- 1
mAh per Battery :- mAh 500
Watt Hours per Battery :-1.85 Wh
Charging Time:- Approximately 2 - 3 hours
Battery Saving - auto shut off after 4 hours.
Microphone
Noise Isolating Microphone blocks out steady state noise for clear calls in loud environments
Type - ECM Omni Directional
Frequency Range – 20Hz to 20kHz
Earphone
Frequency range – 20Hz to 20kHz
Impedance – 32 Ω
Other Features..
Dual connectivity. The Headset can be paired to two Bluetooth devices at the same time.
SafeMax Technology delivers exceptional audio quality while limiting the volume output to 79 dBA.
Dust, sweat & water resistant IP45.
This product does not support aptX enhanced audio quality streaming.
Accessories:-
Replacement Hygiene kit available reference IT-83