Plantronics + Polycom. Now together as logo

Shopping Cart

Product Quantity Price Subtotal
Cart Subtotal

Free shipping! All online orders are eligible for free ground shipping.

BackBeat FIT 350

Wireless Sport Earbuds

P/N: 212343-03

Keep it moving with the ultra-light BackBeat FIT 350 wireless sport earbuds. With secure-fit earloops and eartips, plus a 2-in-1 stability clip, they’re designed to stay in place. And with up to six hours of power, you can listen from workout to weekend.

Deep, rich sound

Great sound should never be compromised. Thanks to 6 mm drivers and an occlusive eartip design that blocks out noise, these discreet and ultra-light earbuds pack in deep, rich sound for an immersive audio experience from the gym to the grocery store. 

Noise-isolating Eartips

Enjoy deep, rich sound with snug and stable patented eartips

All-day comfort

Listen comfortably all day long with a discreet, portable and ultra-lightweight design

Inline Controls

Adjust volume and play, pause and skip tracks directly from your earbuds

Reflective Cable

Maintain visibility during nighttime outdoor activity with the sport-weave reflective cable

Enhanced stability

You’re constantly moving, but your earbuds shouldn’t be. With secure-fit earloops, patent-pending eartips with stabilizers and a 2-in-1 stability clip that can be attached to your shirt or used as a cinch, BackBeat FIT 350 is designed to stay in place during even your most rigorous training sessions.

Power through the day

Wherever you go, keep the music playing. From your morning workout to your mid-day errands, enjoy up to six hours of wireless listening and get up to one hour with a 15-minute quick charge.   

Worry-free wearing

BackBeat FIT 350 features a sweatproof and IPX5-rated water-resistant design, with a sport-weave cable that minimizes friction by sliding smoothly over skin during your most intense workouts. That means you can listen to your favorite songs anytime, anywhere – even in rain and humidity.



Bluetooth 4.1, HFP 1.6, HSP 1.2, A2DP v1.2, AVRCP v1.4
Listen time Up to 6 hours
Talk time Up to 6 hours
DeepSleep Up to 6 months
Speaker driver size 6 mm
Frequency response 20 Hz - 20 kHz
Sensitivity 106 dBSPL at max volume
Impedance 16 ohms
Harmonic distortion <3%
Passive noise cancellation Yes
Weight 15 g/0.5 oz
Water protection Water-resistant and sweatproof, IPX5-rated
Wireless Range Up to 33ft / 10m
Audio Codec CVSD, mSBC, SBC
Charge time Less than 2 hours
Number of mics Single wideband-enabled mic
Multi-point Connect to 2 devices simultaneously and stream from either one
Voice commands (Answer/Ignore) No