SOUL RUN FREE PRO HD vs. OPPO Enco W31

Headphones Comparison, Reviews and Tests

Side by side comparison and review of SOUL RUN FREE PRO HD and OPPO Enco W31. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

SOUL RUN FREE PRO HD vs. OPPO Enco W31 Comparison Chart
DESIGN AND DIMENSIONS SOUL RUN FREE PRO HD OPPO Enco W31
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Height 1.7 cm -
Width 1.9 cm -
Depth 3.2 cm -
Weight 15 g 50 g SOUL RUN FREE PRO HD are lighter than SOUL RUN FREE PRO HD headphones.
Colour Blue Black | White
Earpad Material Memory foam -
Protection Waterproof, sweat-resistant Dust-resistant, IP54, water-resistant
Design Sports -
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) 10.1 m 10 m SOUL RUN FREE PRO HD have a greater operating distance than OPPO Enco W31.
SOUND QUALITY SOUL RUN FREE PRO HD OPPO Enco W31
Headphones Form Factor In-ear In-ear
Headphones Technology Balanced armature Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.0 EDR Bluetooth 5.0 OPPO Enco W31 have a more advanced version of Bluetooth than SOUL RUN FREE PRO HD.
Bluetooth Profiles Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
Bluetooth Audio Codec - AAC
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Sensitivity - 95 dB
Diaphragm - Graphene - 7 mm
In-Cord Volume Control Yes -
MICROPHONE SOUL RUN FREE PRO HD OPPO Enco W31
Form Factor - Built-in
Type On-cable -
Noise Cancelling - Yes OPPO Enco W31 microphone can cancel out ambient noise.
Sensitivity - -38 dBV/Pascal
REMOTE CONTROL SOUL RUN FREE PRO HD OPPO Enco W31
Controls Volume control Next/previous track, voice assistant
CABLE SOUL RUN FREE PRO HD OPPO Enco W31
Cable Type USB charge cable - detachable
Headphones cable - reflective
USB charge cable - detachable
FEATURES SOUL RUN FREE PRO HD OPPO Enco W31
Sensors - Touch sensor
BATTERY AND CHARGING SOUL RUN FREE PRO HD OPPO Enco W31
Battery Type Headphone battery rechargeable - lithium polymer Headphone battery rechargeable - Lithium Ion
Battery Capacity - 25 mAh
Battery Life 12 hour(s) 3.5 hour(s) SOUL RUN FREE PRO HD 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
Charging Time - 2.5 hour(s)
Included Qty - 2
OTHERS SOUL RUN FREE PRO HD OPPO Enco W31
Included Accessories Carrying case, cable clip, 2 pairs of foam ear tips, 4 pairs of ear tips (XS, small, medium, large), 2 pairs of ear locks Ear tips kit, USB charge cable, charging case (350 mAh)
Service & Support Limited warranty - 1 year -
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