Erato Apollo 7S vs. Huawei FreeBuds 4

Headphones Comparison, Reviews and Tests

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.

Headphones Specifications Comparison

Erato Apollo 7S vs. Huawei FreeBuds 4 Comparison Chart
DESIGN AND DIMENSIONS Erato Apollo 7S Huawei FreeBuds 4
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
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
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
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 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
Form Factor Built-in Built-in
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
Controls Volume, answer/end, play/pause, next/previous track Swipe control
CABLE Erato Apollo 7S Huawei FreeBuds 4
Cable Type USB charge cable -
FEATURES Erato Apollo 7S Huawei FreeBuds 4
Sensors - Wear sensor
BATTERY AND CHARGING Erato Apollo 7S Huawei FreeBuds 4
Battery Type Headphone battery rechargeable Headphone battery rechargeable - lithium polymer
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
Charging Time - 1 hour(s)
OTHERS Erato Apollo 7S Huawei FreeBuds 4
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)
Compliant Standards - RoHS, halogen-free, IPX4
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