Sony WI-C310 vs. JBL Free II

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sony WI-C310 and JBL Free II. 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

Sony WI-C310 vs. JBL Free II Comparison Chart
DESIGN AND DIMENSIONS Sony WI-C310 JBL Free II
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Weight 19 g 4.8 g JBL Free II are lighter than Sony WI-C310 headphones.
Dimensions & Weight Details - Earphone: 4.8 g
Charging case: 52 g
Colour Black | Blue | Gold | White Black | White
Protection - Splashproof, IPX4
Recommended Use - Portable electronics
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Sony WI-C310 JBL Free II
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic Dynamic
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.0 Bluetooth 5.0 Both headphones have the same Bluetooth version.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec SBC, AAC -
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Sensitivity - 100 dB
Impedance - 16 Ohm
Max Sound Pressure - 95 dB
Diaphragm 9 mm 5.6 mm Sony WI-C310 have a thicker diaphragm than JBL Free II.
Magnet Material Neodymium -
In-Cord Volume Control Yes -
MICROPHONE Sony WI-C310 JBL Free II
Form Factor Built-in Built-in
Sensitivity - -38 dBV/Pascal
CABLE Sony WI-C310 JBL Free II
Cable Type USB-C charge cable - detachable - 20 cm USB-C charge cable
FEATURES Sony WI-C310 JBL Free II
Features - Touch control
BATTERY AND CHARGING Sony WI-C310 JBL Free II
Battery Type Headphone battery rechargeable - Lithium Ion 2 x headphone battery rechargeable - Lithium Ion
Battery Capacity - 55 mAh
Battery Life 15 hour(s) 6 hour(s) Sony WI-C310 lasts longer on a single charge than the JBL Free II.
Battery Life Details - (with included charging case): up to 24 hours
Standby Time 200 hours -
Charging Time 3 hour(s) 2 hour(s) JBL Free II recharge faster than Sony WI-C310.
Included Qty - 2
CONNECTIONS Sony WI-C310 JBL Free II
Connector Type USB (power only) (USB Type-C) -
OTHERS Sony WI-C310 JBL Free II
Included Accessories 3 pairs of earbuds 3 pairs of ear tips (small, medium, large), charging case (650 mAh)
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