Soft silicone. A lighter fit.
3 g per earbud, with soft silicone designed for side-lying comfort.
QRSC AUDIO / S1
S1
Less noise.
More unwind.
Dual-microphone ANC, built-in white noise and nature sounds, and a soft 3 g fit. Designed for your wind-down routine, with dual-device connectivity and a one-button reset case.
Explore colours ↓
Dual-micActive noise cancellation
3 gPer earbud
24 hUp to, with charging case
DUAL-MICROPHONE ANC
Less distraction.
More quiet.
Dual microphones support active noise cancellation to reduce surrounding noise and create a quieter listening space.
WHITE NOISE & NATURE SOUNDS
Settle into
your own soundscape.
Built-in white noise and nature sounds accompany your wind-down routine. Activate the sleep-assistance mode with a simple control.
SOFT SILICONE COMFORT
Light on your ears.
Made for resting.
Soft silicone and a compact shape support comfortable side-lying wear. Each earbud weighs just 3 g.
ONE-BUTTON CASE RESET
A fresh start.
One simple control.
The upgraded charging case offers one-button reset for straightforward everyday operation.
DUAL-DEVICE CONNECTION
Two devices.
Stay connected.
Connect with two devices and switch between them as your day moves from one screen to another.
BATTERY & CHARGING
Small earbuds.
Longer listening.
A low-power design delivers approximately 5–6 hours per charge, with up to 24 hours of total listening using the charging case.
5–6hPlayback per charge
24hUp to, with charging case
1.5hApproximate earbud charging time
Playback varies with volume, listening mode and environment. Total playback includes recharging with the case.
White · Open case
SLEEP EARPHONES
Find your finish.
Dual-microphone ANC, built-in white noise and nature sounds, and soft silicone comfort. Lightweight 3 g earbuds with 5–6 hours per charge and up to 24 hours with the case.
Noise controlDual-microphone ANC
Relaxation audioWhite noise + nature sounds
Weight3 g per earbud
Battery life5–6 h; up to 24 h with case
Product appearance and finishes may vary by configuration.
A CLOSER LOOK
Explore the details.
A smarter charging case.
One-button reset keeps everyday operation simple.
Two devices. One connection.
Dual-device connectivity lets you switch between paired devices.
CHOOSE YOUR FINISH
3 finishes. One S1.
UNDERSTAND THE DETAILS
S1, in detail.
Explore the six features of the S1, from noise control and sleep sounds to silicone comfort and its charging case.
ANC and built-in sleep sounds.
Dual-microphone ANC helps reduce surrounding noise during listening. Built-in white noise and nature sounds provide another option for a wind-down routine, with a sleep-aid mode available on the earphones.
- Noise control and sleep sounds are distinct functions.
- Choose listening volume and mode to suit your comfort.
Soft silicone for side-lying comfort.
Each earphone weighs approximately 3 g. The silicone material and compact shape are intended to support comfortable wear when lying on your side. Fit and pressure still depend on the individual ear and pillow.
- Approx. 3 g per earphone.
- Inspect the earphone views as well as the case before choosing a finish.
Single-charge and case-assisted duration.
The earphones provide approximately 5–6 hours per charge. Total playback is up to 24 hours when recharging with the case, so the 24-hour figure includes multiple listening sessions and case recharges.
- Single charge: approximately 5–6 hours.
- Including case recharges: up to 24 hours; actual results depend on volume and mode.
Case reset and two-device connection.
The upgraded charging case offers one-button reset. Two-device connectivity supports switching between paired devices for daily listening.
- White, orange and black finishes are shown.
- Use the supplied operating instructions for reset and device-pairing steps.
PRODUCT INFORMATION
S1 specifications
Standard configuration
- Bluetooth version
- 6.0
- Noise control
- Dual-microphone ANC / transparency / standard modes
- Built-in audio
- White noise and nature sounds
- Earbud battery
- 35 mAh per earbud
- Charging case battery
- 300 mAh
- Talk time
- Approx. 4.5 h
- Earbud charging time
- Approx. 1.5 h
- Case charging time
- Up to 2 h
- Charging input
- DC 5 V
- Codecs
- SBC / AAC
- Water resistance
- IPX5
- Driver dimensions
- 6 × 4 mm
- Frequency response
- 20–20,000 Hz
- Earbud weight
- 3 g each
- Case weight
- 23.6 g
- Earbud dimensions
- 25.2 × 18.5 × 14.4 mm
- Case dimensions
- 58 × 37 × 25.6 mm
- Playback per charge
- Approx. 5–6 h
- Total playback with charging case
- Up to 24 h
- Connectivity
- Dual-device connection
- Case control
- One-button reset
Battery life and wireless range vary with usage and environment. Confirm the current configuration and availability with our team before ordering.
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