Sony LinkBuds S Truly Wireless Noise Canceling Earbuds (White)

The Sony LinkBuds S (WF-LS900N/W) are ultra-compact true-wireless earbuds built for “always on” listening. They combine effective noise canceling with a natural ambient mode, Sony’s Integrated Processor V1 for clean sound, and strong call clarity in a lightweight in-ear design—great for focused listening or staying aware when needed.

At a glance

• Connection: Bluetooth 5.2 true wireless
• Headphone type: Closed, in-ear
• Driver size: 5 mm dynamic (neodymium)
• Supported codecs: SBC, AAC, LDAC, LC3 (LE Audio ready)
• Noise control: Active Noise Canceling with Integrated Processor V1
• Ambient mode: Ambient Sound Mode + Adaptive Sound Control
• Water resistance: IPX4 (splash/sweat resistant)
• Battery (earbuds): Up to ~6 hrs (NC on) / up to ~9 hrs (NC off)
• Total battery w/ case: Up to ~20 hrs combined
• Fast charge: ~5 min charge = up to 1 hr playback
• Weight: Approx. 4.8 g per earbud
• Controls: Intuitive touch controls + Quick Attention mode
• App: Sony Sound Connect (EQ, controls, ambient/NC tuning, updates)

Battery life varies by codec, volume, and features in use.

Key features for education

• Noise canceling for focus helps reduce distractions in busy classrooms, libraries, or study halls.
• Natural Ambient Sound lets students hear announcements or teacher cues without removing earbuds.
• Ultra-small lightweight fit supports long wear times for older students and staff.
• Clear call quality supports virtual learning, tutoring, and group collaboration.
• Quick Access + touch controls provide simple playback/voice-assistant control without grabbing the device.

Compatibility and connection

LinkBuds S pair with most Bluetooth-enabled Chromebooks, tablets, phones, and laptops. The Sony Sound Connect app (iOS/Android) enables EQ adjustment, Adaptive Sound Control, ambient/NC tuning, and firmware updates. :contentReference[oaicite:0]{index=0}

Best use cases

• Independent learning where students need distraction-reduced listening
• 1:1 and take-home device programs needing compact wireless audio
• Virtual learning and video conferencing
• After-school programs and mobile learning where portability matters

Classroom notes

• Wireless management: Best for 1:1 or take-home use; wired headsets are often simpler for shared carts.
• IPX4 rating: Handles sweat/splashes but not full submersion.
• Fit options included: Multiple ear tip sizes help match different student ear sizes.

Purchasing for schools and districts

Learning Headphones supports purchase orders, tax-exempt checkout, and volume pricing. If you're deciding between true-wireless earbuds and wired classroom headsets, our team can help you choose the best fit for your device policies and learning environment.