• 4-layer noise masking system (air ear wing, double-layer ear gel and noise masking audio technology) provides 3x noise blocking • Using skin-friendly material, 3D ergonomic technology and lightweight air ear wing, comfortable and pressure-free wearing, also suitable for side sleeping • Monitor sleep quality through MEMS sensor, including tossing and sleeping position, and view reports in the app • Personal alarm clock in the ear without worrying about disturbing others • Bluetooth mode for audio streaming; Sleep mode for sleep-inducing music • Mix up to three white noise sounds, custom lullabies
Maintenance: Hong Kong licensed products provide 18 ANKER HONG KONG maintenance
Sleep soundly all night
It uses a 4-layer noise-masking system, and the double-layer ear gels provide triple passive noise reduction effect. Combined with noise-masking sleep audio and intelligent volume control technology, it effectively blocks annoying sounds.
Zero-sense comfort side sleeping
Sleep A20 is light and small, made of skin-friendly material, with air ear wings and 3D ergonomic design, fitting the ear cavity. Even people who are used to sleeping on their side can have a comfortable use experience with zero sensation.
Support your sleep throughout the night
It can be used for up to 14 hours in sleep mode, and up to 80 hours with the charging box; it can be used for up to 10 hours in Bluetooth mode, and up to 55 hours with the charging box.
Support Bluetooth connection for streaming music
You can use the stable Bluetooth 5.3 version to connect to listen to streaming music, or create your favorite sleep music through the sleep audio library in the app.
Analyze sleep quality to create better sleep
Sleep A20 tracks your sleeping posture, movements during sleep, and the length of your sleep time through the earphones' MEMS sensors and real-time alarm clock, allowing you to better understand your sleeping habits and identify areas for improved sleep.
Personalized sleep settings
You can set alarms, personalized sleep music, playback settings, etc. through the soundcore application.






Specifications:
Usage time (earphones only/with charging box): Up to 10/55 hours (Bluetooth mode); Up to 14/80 hours (sleep mode)
Connection: Bluetooth 5.3 (10m transmission)
Dimensions: 24.8 x 17.4 x 15.5 mm
Net weight: 53g (with charging box)
Contents: Soundcore Sleep A20, charging case, ear tips (7 pairs), ear wings (3 pairs), USB-C to USB-A charging cable, instruction manual
Note:
- The usage time is obtained from internal laboratory testing. Use 50% volume to play music continuously. Actual usage time will vary depending on volume, playback content, usage environment, etc.
- The Sleep A20 uses passive noise cancellation, not microphones or ANC active noise cancellation.