In depth comparison and review of Under Armour Sport Wireless Heart Rate and JBL Free II. 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 | Under Armour Sport Wireless Heart Rate | JBL Free II |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 4.8 g | |
| Dimensions & Weight Details | - | Earphone: 4.8 g Charging case: 52 g |
|
| Colour | Black | Black | White | |
| Protection | Sweat-resistant | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Under Armour Sport Wireless Heart Rate | 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 4.2 | Bluetooth 5.0 | JBL Free II have a more advanced version of Bluetooth than Under Armour Sport Wireless Heart Rate. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 20000 Hz | Under Armour Sport Wireless Heart Rate offer a larger frequency range than JBL Free II. |
| Sensitivity | - | 100 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | 5.8 mm | 5.6 mm | Under Armour Sport Wireless Heart Rate have a thicker diaphragm than JBL Free II. |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Under Armour Sport Wireless Heart Rate | JBL Free II |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -38 dBV/Pascal |
| CABLE | Under Armour Sport Wireless Heart Rate | JBL Free II |
|---|
| Cable Type | Micro-USB cable | USB-C charge cable |
|---|
| FEATURES | Under Armour Sport Wireless Heart Rate | JBL Free II |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Sensors | Heart rate | - |
| BATTERY AND CHARGING | Under Armour Sport Wireless Heart Rate | JBL Free II |
|---|
| Battery Type | Handset battery rechargeable - Lithium Ion | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 50 mAh | 55 mAh | JBL Free II have a higher battery capacity than Under Armour Sport Wireless Heart Rate. |
| Battery Life | 5 hour(s) | 6 hour(s) | JBL Free II lasts longer on a single charge than the Under Armour Sport Wireless Heart Rate. |
| Battery Life Details | - | (with included charging case): up to 24 hours | |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | 2 |
| OTHERS | Under Armour Sport Wireless Heart Rate | JBL Free II |
|---|
| Included Accessories | Carrying case, 4 pairs of ear tips, micro-USB charging cable | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) |
|---|
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