In depth comparison and review of Poly - Plantronics Backbeat FIT 305 and Sony LinkBuds S. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | - | |
| Dimensions & Weight Details | - | Charging case: 4.28 cm x 6 cm x 2.76 cm / 35 g | |
| Colour | Black | Dark blue | Coral | Lime green | Black | White | |
| Protection | Sweat-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sony LinkBuds S have a more advanced version of Bluetooth than Poly - Plantronics Backbeat FIT 305. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | |
| Bluetooth Audio Codec | - | SBC, AAC, LDAC | |
| Active Noise Cancelling | - | Yes | Sony LinkBuds S are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Ambient Sound Mode | |
| Frequency Response | 20 - 20000 Hz | 20 - 40000 Hz | Sony LinkBuds S offer a larger frequency range than Poly - Plantronics Backbeat FIT 305. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 106 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 5 mm | Poly - Plantronics Backbeat FIT 305 have a thicker diaphragm than Sony LinkBuds S. |
| Magnet Material | - | Neodymium | |
| Features | - | Quick Attention function |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Cable Type | Micro-USB charge cable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 6 hour(s) | - | |
| Battery Life Details | - | Continuous talk: up to 3.5 hours Continuous playback (active noise-cancelling on): up to 6 hours Continuous playback (active noise-cancelling off): up to 9 hours |
|
| Standby Time | 240 hours | 16 hours | Poly - Plantronics Backbeat FIT 305 have longer standby time than Sony LinkBuds S. |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| CONNECTIONS | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Connector Type | - | Bluetooth USB (power only) (USB Type-C) |
|---|
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Sony LinkBuds S |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | Charging case, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IPX4 |
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