Avantree Slumber B – Wired Pillow Speaker for Side Sleepers | Low-volume pillow audio with no charging required and USB-C or AUX.

Price: null - $39.99
(as of Aug 05, 2026 14:50:59 UTC – Details)

Product description

Please note before you buy

1. Not for Loud Audio This speaker is designed for gentle bedtime listening, such as white noise, podcasts, or audiobooks. It is not made for loud music or high-volume sound.

2. Wired Connection Only This is not a Bluetooth speaker. It works with USB-C or AUX connections only.

Frequently Asked Questions

Q1: What devices work best with this model?

A1: Any device with 3.5mm AUX jack or USB-C port. For iPhone 14↓ use Lightning adapter.

Q2: Does it need charging?

A2: No charging required. Just plug it in and enjoy all-night audio without battery worries.

Q3: Will my partner hear the sound?

A3: No, place it under the pillowcase—sound stays close to you, not around the room.

Q4: Is this better than sleep earbuds or headbands?

A4: Yes, more hygienic and comfortable. It doesn’t block ears or press against your head all night.

Q5: Is it comfortable for side sleepers?

A5: Yes, ultra-flat design fits under pillowcase and stays soft, even when sleeping on your side

SPECIFICATIONS

Connectivity Type USB-C & 3.5mm AUX Maximum Output Power 25mW Speaker Driver Size φ40mm Impedance 32Ω Frequency Response 20Hz – 20KHz at 15mW Signal-to-Noise Ratio >80dB Audio Output Mode Stereo or mono Cushion Fabric Chenille Product Size 460mm*160mm*33mm Cable Length 1.2m Product Weight 245g

【SOFT PILLOW COMFORT – NO HEADBANDS, NO PRESSURE】 Unlike headband sleep headphones, Slumber B offers a soft, fabric-covered pillow speaker that fits comfortably inside your pillowcase—no straps, no pressure on your ears or head.
【GENTLE VOLUME FOR NIGHTTIME LISTENING】 Designed for quiet, personal audio at bedtime. Perfect for white noise, audiobooks, or calming music without disturbing your partner or your rest. 【VOLUME NOTE: Slumber B is a passive design with limited volume. For better sound performance, consider Slumber 2 or Slumber.】
【NOT FOR LOUD AUDIO】Slumber B is not designed for loud volume or room-filling sound. It is a passive, low-volume speaker for quiet personal listening. If you need louder sound, please choose Slumber 2 instead.
【IN-LINE REMOTE & USB-C POWER】 Easily adjust volume or switch Mono/Stereo modes with the built-in controller. Powered by USB-C for continuous, hassle-free nighttime use—no charging needed.
【DESIGNED TO SLIP INTO YOUR PILLOWCASE】 Slumber B is larger than a typical speaker because it’s made to rest inside your pillowcase, not under or beside your pillow. This ensures sound stays close and comfortable while you sleep.

Product summary

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