In depth comparison and review of Poly - Plantronics Backbeat FIT 305 and Xiaomi MI True Wireless Earphones 2S. 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 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 14 g | 4.5 g | Xiaomi MI True Wireless Earphones 2S are lighter than Poly - Plantronics Backbeat FIT 305 headphones. |
| Dimensions & Weight Details | - | Earphone: 4.5 g Charging case with earphones: 52 g |
|
| Colour | Black | Dark blue | Coral | Lime green | - | |
| 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 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Xiaomi MI True Wireless Earphones 2S 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) | - | |
| Bluetooth Audio Codec | - | SBC, AAC, LHDC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 106 dB | - | |
| Impedance | 16 Ohm | 32 Ohm | |
| Diaphragm | 6 mm | 14.2 mm | Xiaomi MI True Wireless Earphones 2S have a thicker diaphragm than Poly - Plantronics Backbeat FIT 305. |
| MICROPHONE | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Noise Cancelling | - | Yes | Xiaomi MI True Wireless Earphones 2S microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) |
| REMOTE CONTROL | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Controls | Answer/end, play/pause, next/previous track | Answer/end, play/pause, voice assistant |
|---|
| CABLE | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Cable Type | Micro-USB charge cable | USB-C charge cable - detachable |
|---|
| FEATURES | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Sensors | - | Infrared (IR) sensor |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 5 hour(s) | Poly - Plantronics Backbeat FIT 305 lasts longer on a single charge than the Xiaomi MI True Wireless Earphones 2S. |
| Battery Life Details | - | Continuous playback: up to 5 hours Continuous playback (with included charging case): up to 24 hours |
|
| Standby Time | 240 hours | - | |
| Wireless Charging Standards | - | Qi | |
| Charging Time | 2 hour(s) | 1 hour(s) | Xiaomi MI True Wireless Earphones 2S recharge faster than Poly - Plantronics Backbeat FIT 305. |
| CONNECTIONS | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Connector Type | - | Bluetooth USB (power only) (24 pin USB-C) |
|---|
| OTHERS | Poly - Plantronics Backbeat FIT 305 | Xiaomi MI True Wireless Earphones 2S |
|---|
| Included Accessories | Carrying pouch, 3 pairs of ear tips (small, medium, large) | Charging case, USB-C charging cable | |
|---|---|---|---|
| Service & Support | - | 2-year warranty |
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