Open-ear listening.
The air-conduction design sits outside the ear canal.
QRSC AUDIO / F25
F25
Water-ready.
Keep moving.
IPX8 water resistance meets open-ear listening. F25A and F25B combine a flexible neckband, magnetic charging and Bluetooth 6.0.
Explore colours ↓
IPX8Water resistance — F25A & F25B
15 minTo approximately 90% charge
6.0Bluetooth connectivity
IPX8 WATER RESISTANCE
Tested in water.
Built for active days.
Both F25A and F25B passed IPX8 testing at a simulated underwater depth of 1.2 metres for 40 minutes. These are laboratory test conditions, not an underwater listening claim.
F25A & F25B
Two designs.
One active rhythm.
Choose the smooth housing of F25A or the contrasting trim of F25B. Both designs come in black and white, with a connected neckband and open-ear fit.
FLEXIBLE NECKBAND
Move with your music.
Silicone-covered surfaces and a flexible neckband support a comfortable fit. The open-ear design leaves the ear canal unobstructed.
EVERYDAY CONNECTION
From one device
to another.
Dual-device connection lets you pair with two devices. Magnetic charging keeps the charging connection simple.
BATTERY & CHARGING
A short recharge.
A longer playlist.
A 90 mAh battery with approximately 90% charge in 15 minutes.
15hMusic at 50% volume
12hMusic at 80% volume
6.5hMusic at maximum volume
Playback figures follow the F25A and F25B V1.2 specification sheets. Actual playback and charging performance varies with usage and environment.
F25A / Black · Three-quarter view
OPEN-EAR SPORTS AUDIO
Find your finish.
IPX8-tested open-ear sports earphones with a flexible neckband and magnetic charging. Choose F25A or F25B, each in black or white.
Water resistanceIPX8 — tested for both designs
Fast chargingApprox. 90% in 15 min
Music playbackApprox. 15 h at 50% volume
Design optionsF25A / F25B
Product appearance and finishes may vary by configuration.
A CLOSER LOOK
Explore the details.
A flexible fit.
A silicone-covered neckband and shaped ear hooks follow the contours of the head.
Ready to move.
A lightweight connected design for your everyday activity.
CHOOSE YOUR FINISH
4 finishes. One F25.
UNDERSTAND THE DETAILS
F25, in detail.
Compare F25A and F25B, understand the IPX8 test conditions, and choose a colour and shape for your order.
Two designs in one family.
F25A and F25B are displayed together so their shapes can be compared directly. Both designs have black and white options; the gallery identifies the design as well as the colour.
- Select A or B before selecting the finish.
- Use the variant-specific images when confirming your order.
Open-ear listening with a flexible neckband.
The F25 uses air-conduction sound in an open-ear design. A flexible neckband links the two sides, and the silicone construction supports the fit around the neck and ears.
- The earpieces sit outside the ear canal.
- Two-device connection is supported by the listed configuration.
IPX8 with documented test conditions.
Both F25A and F25B passed a laboratory immersion test at a simulated depth of 1.2 metres for 40 minutes. This describes the tested water-resistance conditions.
- IPX8 is not a guarantee of Bluetooth reception underwater.
- Dry the product and charging contacts before charging.
Charging and volume-dependent endurance.
Magnetic charging reaches approximately 90% in 15 minutes. Music playback is approximately 15 hours at 50% volume, 12 hours at 80%, or 6.5 hours at maximum volume.
- 90 mAh battery; Bluetooth 6.0.
- Approx. 6.5 hours talk time. Use the matching volume condition when comparing endurance.
PRODUCT INFORMATION
F25 specifications
Shared specifications — F25A / F25B
- Design options
- F25A / F25B
- Colours
- Black / White
- Water resistance
- IPX8
- Water-resistance test
- Simulated depth 1.2 m / 40 min
- Bluetooth version
- 6.0
- Chipset
- JL 7006F8
- Audio configuration
- Stereo
- Battery
- 90 mAh
- Fast charging
- Approx. 90% in 15 min
- Music playback at 50% volume
- Approx. 15 h
- Music playback at 80% volume
- Approx. 12 h
- Music playback at maximum volume
- Approx. 6.5 h
- Talk time
- Approx. 6.5 h
- Charging input
- DC 5 V
- Connection range
- 10 m
- Driver dimensions
- 14.2 × 4.2 mm
- Impedance
- 16 Ω ±15%
- Frequency response
- 20–20,000 Hz
- Charging connection
- Magnetic
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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