ISOTunes IT-23 Pro 2.0 Black Bluetooth Earplugs
This product is NOT Certified to EN352

• Noise isolating in-ear headset with Bluetooth connectivity.
• Left and right earbuds which are connected via a cable.
• Black
• In-ear hearing protection device for users who want to communicate and /or listen to streamed music from Bluetooth devices/mobile phones in a noisy environment with the additional protection against dust and moisture ingress.
• 16.5 grams
• This product has been tested and Approved to ANSI S3. 19-1974. It also complies with the latest RoHS, WEEE, FEC & CP65 standards.
• ANSI S3. 19-1974 Testing with Trilogy Foam Ear Tips
• NRR - 27 dB 
• Included are 4 pairs of Trilogy Foam ear tips in 4 sizes. Tall XS/S/M/L.
Tested for attenuation under ANSU S3. 19-1974 for use in noisy environments.
Sizes: Extra Small: 8-10mm, Small: 8-11mm, Medium: 8-12mm, Large: 9-14mm
Also included are 1 pair of Silicone Triple Flanged ear tips. Not tested under ANSI S3. 19-1974 and NOT for use in noisy environments.

Technical Specification
This product has been tested and Approved to ANSI S3. 19-1974.
Bluetooth
Bluetooth V5.0 Technology +EDR.
Bluetooth Profiles supported:- HSP, HFP, A2DP, AVRCP
Supports iOS Bluetooth battery level indicator. When connected to an iOS device, the battery power status can be seen in the upper right corner of the screen.
Transmission power:- Class 2
Impedance:- 16 Ω
Operational range:- Up to 10 meters/30 feet
Frequency response:- 20Hz – 20 kHz
 
Battery
Built in rechargeable 3.7 Volt 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.
Number: 2
Weight: 3.4g
mAh: 75
Watt hours per battery: 0.2775 Wh
Charging Time: Approximately 2 - 3 hours
Charging: Micro USB to Standard USB cable included
Music streaming/Talk time: Up to 16+ hours*
Standby Time: Up to 270 hours*
*Times may vary depending on usage
 
Other features
Integrated Microphone: Signature noise suppressing microphone with echo cancellation technology help block steady state noise for clear calls in loud noise environments.
Device can be paired to two Bluetooth devices at the same time.
SafeMax Technology delivers exceptional audio quality while limiting the volume output to 85 dBA.
IP67 – Dust Sweat and Water proof.
Comfort-fit Earhook – wraps over and around to provide a comfortable and secure fit for any ear.
 
Accessories     
Zipped storage case
Micro USB to Standard USB charging cable
2 x Cable management clips
1 x Alligator clip

Functionality
MFB - Multi Function Button to control:-
Power on/off
Music Play/Pause
Next Track/Previous Track
Answer Call/End Call/Decline a Call
Last Number Redial
Mute/Unmute a Call
Separate Volume up/down Controls
Voice Command