Detailed comparison and review of Audio-Technica ATH CKR35BT and OPPO Enco W31. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 15.5 g | 50 g | Audio-Technica ATH CKR35BT are lighter than Audio-Technica ATH CKR35BT headphones. |
| Colour | Black | Silver | Black | White | |
| Protection | - | Dust-resistant, IP54, water-resistant | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | OPPO Enco W31 have a more advanced version of Bluetooth than Audio-Technica ATH CKR35BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 24000 Hz | 20 - 20000 Hz | Audio-Technica ATH CKR35BT offer a larger frequency range than OPPO Enco W31. |
| Sensitivity | 102 dB/mW | 95 dB | Audio-Technica ATH CKR35BT have higher sensitivity than OPPO Enco W31. |
| Impedance | 16 Ohm | - | |
| Diaphragm | 9.8 mm | Graphene - 7 mm | Audio-Technica ATH CKR35BT have a thicker diaphragm than OPPO Enco W31. |
| MICROPHONE | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | OPPO Enco W31 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Audio Input Details | Omni-directional - 100 - 10000 Hz | - | |
| Sensitivity | -44 dB | -38 dBV/Pascal |
| REMOTE CONTROL | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Controls | - | Next/previous track, voice assistant |
|---|
| CABLE | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Cable Type | Micro-USB charge cable - detachable - 30 cm | USB charge cable - detachable |
|---|
| FEATURES | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Battery Type | 1 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 25 mAh | |
| Battery Life | 7 hour(s) | 3.5 hour(s) | Audio-Technica ATH CKR35BT lasts longer on a single charge than the OPPO Enco W31. |
| Battery Life Details | - | Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
|
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | 2.5 hour(s) | OPPO Enco W31 recharge faster than Audio-Technica ATH CKR35BT. |
| Included Qty | 1 | 2 |
| WIRELESS LINK | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Modulation Type | FHSS | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | Audio-Technica ATH CKR35BT | OPPO Enco W31 |
|---|
| Included Accessories | 4 pairs of silicone ear tips (extra small, small, medium, large), pouch case | Ear tips kit, USB charge cable, charging case (350 mAh) |
|---|
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