In depth comparison and review of Huawei FreeLace CM70-C and Sennheiser CX True Wireless. 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 | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Product Type | Earphones - Bluetooth - wireless - USB-C | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
| Colour | Graphite black | Black | White | |
| Protection | Waterproof, sweat-resistant, rainproof, IPX5 | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | - | 5 - 21000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.08% | |
| Sensitivity | - | 110 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | TPU - 9.2 mm | 7 mm | Huawei FreeLace CM70-C have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | - | TrueResponse technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Controls | Volume, power on/off, voice assistant | - |
|---|
| CABLE | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Cable Type | USB-C charge cable | USB-C charge cable - detachable - 25 cm | |
|---|---|---|---|
| Plated Connector | Nickel | - |
| FEATURES | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Features | HUAWEI HiPair technology, fast charge | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | - | Siri, Google Assistant | |
| Sensors | Hall sensor | - |
| BATTERY AND CHARGING | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 60 mAh | |
| Battery Life | 18 hour(s) | 9 hour(s) | Huawei FreeLace CM70-C lasts longer on a single charge than the Sennheiser CX True Wireless. |
| Battery Life Details | - | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
|
| Standby Time | 288 hours | - | |
| Charging Time | - | 1.5 hour(s) | |
| Included Qty | - | 2 |
| OTHERS | Huawei FreeLace CM70-C | Sennheiser CX True Wireless |
|---|
| Included Accessories | - | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1 |
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