Detailed comparison and review of Erato Apollo 7S and Huawei FreeBuds 4. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
DESIGN AND DIMENSIONS | Erato Apollo 7S | Huawei FreeBuds 4 |
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Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
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Width | 1.54 cm | - | |
Depth | 2.22 cm | - | |
Weight | 4 g | - | |
Dimensions & Weight Details | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | 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 |
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Colour | Black | Space grey | Rose gold | Silver | Ceramic white | Silver frost | |
Protection | Weatherproof, sweat-resistant, IPX5 | Splashproof, dust-resistant, water-resistant | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | 10 m | - | |
High-Resolution Audio | - | Yes |
SOUND QUALITY | Erato Apollo 7S | Huawei FreeBuds 4 |
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Headphones Form Factor | In-ear | In-ear | |
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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 Erato Apollo 7S. |
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) | |
Bluetooth Audio Codec | - | SBC, AAC | |
Active Noise Cancelling | - | Yes | Huawei FreeBuds 4 are equipped with active noice cancellation. |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | 3D Surround Sound | - | |
Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
Sensitivity | 100 dB | - | |
Impedance | 16 Ohm | - | |
Diaphragm | 5.8 mm | 14.3 mm | Huawei FreeBuds 4 have a thicker diaphragm than Erato Apollo 7S. |
Features | Bluetooth aptX technology | - |
MICROPHONE | Erato Apollo 7S | Huawei FreeBuds 4 |
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Form Factor | Built-in | Built-in | |
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Microphone Operation Mode | Omni-directional | - | |
Noise Cancelling | - | Yes | Huawei FreeBuds 4 microphone can cancel out ambient noise. |
Sensitivity | -42 dB | - |
REMOTE CONTROL | Erato Apollo 7S | Huawei FreeBuds 4 |
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Controls | Volume, answer/end, play/pause, next/previous track | Swipe control |
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CABLE | Erato Apollo 7S | Huawei FreeBuds 4 |
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Cable Type | USB charge cable | - |
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FEATURES | Erato Apollo 7S | Huawei FreeBuds 4 |
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Sensors | - | Wear sensor |
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BATTERY AND CHARGING | Erato Apollo 7S | Huawei FreeBuds 4 |
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Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - lithium polymer | |
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Battery Capacity | - | 30 mAh | |
Battery Life | 4 hours | 4 hour(s) | Both headphones last the same amount of time on a single charge. |
Battery Life Details | Continuous talk: up to 4 hours Continuous playback: up to 3 hours |
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 |
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Charging Time | - | 1 hour(s) |
OTHERS | Erato Apollo 7S | Huawei FreeBuds 4 |
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Included Accessories | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (small, medium, large) | USB-C charging cable, charging case (410 mAh) | |
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Compliant Standards | - | RoHS, halogen-free, IPX4 |