In depth comparison and review of Anker SoundBuds Slim+ and Huawei FreeBuds 4. 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 | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 16 g | - | |
| Dimensions & Weight Details | - | Charging case: 5.8 cm x 5.8 cm x 2.12 cm / 38 g Earbud: 1.68 cm x 1.85 cm x 4.14 cm / 4.1 g |
|
| Colour | Black | Ceramic white | Silver frost | |
| Protection | IPX5, water-resistant | Splashproof, dust-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Huawei FreeBuds 4 have a more advanced version of Bluetooth than Anker SoundBuds Slim+. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | aptX | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds 4 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 14.3 mm | Huawei FreeBuds 4 have a thicker diaphragm than Anker SoundBuds Slim+. |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Noise Cancelling | - | Yes | Huawei FreeBuds 4 microphone can cancel out ambient noise. |
| REMOTE CONTROL | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Controls | Power on/off, volume control, answer/end, play/pause, next/previous track, 3-button remote | Swipe control |
|---|
| CABLE | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Cable Type | USB charge cable - detachable | - |
|---|
| FEATURES | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Intelligent Assistant | Siri | - | |
|---|---|---|---|
| Sensors | - | Wear sensor |
| BATTERY AND CHARGING | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 30 mAh | |
| Battery Life | 7 hours | 4 hour(s) | Anker SoundBuds Slim+ lasts longer on a single charge than the Huawei FreeBuds 4. |
| Battery Life Details | - | Continuous playback (active noise-cancelling off): up to 4 hours Continuous playback (active noise-cancelling on): up to 2.7 hours Continuous playback (active noise-cancelling off) (with included charging case): up to 22 hours Continuous playback (active noise-cancelling on) (with included charging case): up to 14 hours Continuous talk (active noise-cancelling off): up to 2.3 hours Continuous talk (active noise-cancelling on): up to 2 hours |
|
| Charging Time | 1.5 hours | 1 hour(s) | Huawei FreeBuds 4 recharge faster than Anker SoundBuds Slim+. |
| OTHERS | Anker SoundBuds Slim+ | Huawei FreeBuds 4 |
|---|
| Included Accessories | 4 pairs of ear tips, 2 pairs of earhooks | USB-C charging cable, charging case (410 mAh) | |
|---|---|---|---|
| Compliant Standards | - | RoHS, halogen-free, IPX4 | |
| Service & Support | Limited warranty - 18 months Technical support - lifetime |
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