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Sage Design Group

FINEBLUE F2 PRO Retractable Earbud Headphones with Collar Clip

FINEBLUE F2 PRO Retractable Earbud Headphones with Collar Clip

Regular price $25.99 USD
Regular price $0.00 USD Sale price $25.99 USD
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Fineblue F2 Pro Headset was created to address common issues such as earbuds falling out of ears while jogging or working out. It has a retractable line with a one-click rollback earbud. Hands-free design with clip-on collar, in-line microphone, and extremely convenient for answering phone calls and listening to music.

If you have the same issues and are concerned about tangling or being messy, the Fineblue F2 pro is a better option. BUY THIS NOW!


Collar clip on

Retractable earbud

Long battery life

Connect 2 devices simultaneously


Retractable Line: Retractable line with one-click earbud rollback. Hands-free design with clip-on collar, in-line microphone, and extremely convenient for answering phone calls and listening to music.

Bluetooth V5.0 and most device compatibility, built-in sensitive range alerts, and vibrate incoming call alarm.

User-Friendly: The superlightweight and simple operation provides an enjoyable user experience.

Competitive Battery Life: The built-in high-capacity lithium battery provides up to 110 hours of standby time, 6 hours of continuous phone call time, and a quick charge time of only 2 hours.

Simple Pairing: Simple pairing with your smartphone within 10 meters.

Noise Cancellation: No-hassle noise cancellation with lossless sound quality.

Dual Connection: It has a dual connection function, allowing you to connect two devices at the same time.



Bluetooth Version: 5.0
Ear tip material: Silicon
Material: ABS + Alloy
Number Of Devices Connectable Simultaneously: 2

Audio Specifications

Driver sensitivity at 1kHz/1mW (dB): 95 ± 3
Dynamic frequency response range (Hz): 50 Hz-20 kHz
Impedance (ohms): 16
Number of drivers per ear: 1


Headphone Weight (g): 19
Package Weight (g): 87
Headphone Size (cm): 5.2 * 2.5 * 1.5
Package Size (cm): 13 * 10.5 * 4
Headphone Weight (oz): 0.67
Package Weight (oz): 3.07
Headphone Size (inch): 2.05 * 1.98 * 0.59
Package Size (inch): 5.11 * 4.13 * 1.57

Control and Connection Specifications

Bluetooth profiles: A2DP, AVRCP
Bluetooth frequency: 2.4 GHz - 2.4835 GHz
Bluetooth transmitted modulation: GFSK, π/4-DQPSK, 8-DPSK
Bluetooth transmitter power: <12 dbm


Music play time (hours): 12
Talking Time (hours): 12.5
Standby Time (days): Approx. 7
Charging Time (hours from empty): 1.5
Battery Capacity (mAh): 100


Bluetooth: Yes
Charging Cable: Yes
Voice Prompt: Yes
Dual Connection: Yes
Adaptive Noise Cancelling: Yes
Built-in Microphone: Yes
Charging Case: No
Ear-bud: Yes
Hands Free Call: Yes
Rechargeable Battery: Yes
True Wireless: No
Wireless: Yes

What's In The Box?

1 x Fineblue F2 Pro Retractable Wireless Headset2 x  Ear tips
1 x Micro USB Charging Cable
1 x User Manual

Brand Promise

Here at Byhe Innovations we put people first, which means value and values stick together. Better stuff, fewer dollars, no nonsense.

Important information:
1. Safety Information
Choking hazard contains small ball.

2. Legal Disclaimer
Byhe Innovations Provide the warranty and friendly service, which make sure customers are satisfied with our products.

1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow minor measuring deviation due to manual measurement.

Headset pairing method:

1. In the power-on state, the red and blue lights alternately flash to indicate the pairing status.
2. Search for Bluetooth devices or other digital products on your phone, then select F2 Pro.


Shipping & Returns


Care Instructions

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Sage Design Group

Sage Design Group  

Creative Solutions to Grow Your Business™

Our VISION: Sage Design Group wants to be the go-to-place for ideas that help CREATE, INSPIRE and GROW profitable businesses through meaningful human connections. We strive to foster results oriented communication campaigns to enhance our client's image, improve their sales and maximize their ROI.

Our STORY: Sage Design Group is an advertising agency founded in 2005 by Art Director & Marketing Expert Annette C. Sage, who has over 20 years of experience in the industry. Its advertising philosophy takes the traditional marketing funnel and integrates advocacy to keep up with today's connected economy.

Our GOALS: Sage Design Group's goal is to create positive awareness of your company - locally, regionally or in the worldwide marketplace. We work to enhance profitability and grow your customer base. Sage Design Group can assist you in creating a brand identity that will give you a competitive edge and open doors to greater business opportunities.


Sage Design Group was founded in 2005 by Creative/Art Director and Marketing Expert Annette C. Sage, who has over 20 years of experience in the industry. Annette’s areas of expertise are in Advertising and Marketing, Lead Generation, Business Development and Identity Branding. Annette has helped Entrepreneurs grow billion dollar brands.

Annette is also an Award Winning Photographer and Advertising Designer who has been featured in publications and art gallery exhibitions. Her educational background includes Associates Degrees in both Commercial Art and Photography, a BA in Visual Communications and an MBA in International Marketing. She also taught Multimedia at ITT Technical Institute.

Throughout the years, Annette has worked, networked and consulted with many industry leaders and has made strategic alliances with top professionals. Annette is an asset to any team bringing her experience and multi-talents to the table.

Discover more about Annette by visiting

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