🔊 Technical Specs

• Drivers : 6 mm dynamic

• Impedance : ~32 Ω

• Frequency response : 20 Hz-20 kHz // SPL: ~101 dB ±3 dB

• Bluetooth 5.2 (up to ~10 m/30 ft)

• Microphones : Dual, with noise-reduction support

🔋 Battery & Charging

• Earbuds : Up to 9 hours playback on a single charge

• Charging case : ~31 hours extra for a total of 40 hours

• Rapid charge :

  • 10 min in the case = ~2 hours playback

  • 10 min to case = ~4 hours case power

• Wireless charging case included

• IP55 rating : water- and dust-resistant—built for workouts and outdoor use

• Lightweight design (~62.5 g total with case)

🎛️ Smart Features via Skull‑iQ App

• Hands‑free voice control : activate with "Hey Skullcandy" to play, skip tracks, adjust volume, launch Spotify, answer/reject calls or activate your assistant

• Spotify Tap™ : press and hold left bud (~1 sec) for instant playback

• Share Audio : press/hub buttons to share music with another Skull‑iQ user

• Customizable EQ : 3 presets (Music, Podcast, Movie) + 5-band customizable EQ

• Personal Sound : hearing test in‑app tailors sound profile for individual hearing

• Stay‑Aware mode : ambient awareness when needed — manually, via voice, or through app

• Tile Tracking : built-in Tile support allows locating lost earbuds

• Firmware updates : delivered OTA through Skull‑iQ app to unlock new features & improvements

🎤 Controls & Usage

• Unified controls :

  • Single tap (either earbud) = Play/Pause or answer call

  • Double tap right = Volume +; left = Volume -

  • Long press (~1 s) left = Spotify Tap; right = Share Audio

• Solo mode : use either bud independently with full voice and call support

🛠️ Setup & Pairing

• Auto power-on/off when opening/closing case

• Fast first pairing ("Ready to Pair" voice prompt & LED signal)

• Reset & re-sync via button sequences detailed in the manual

✅ In the Box

• Grind earbuds (S2GTW‑P750 / sometimes labeled P749)

• Wireless-charging case

• Three sizes of ear gels (S, M, L)

• USB‑C charging cable

• Quick‑start guide & warranty info

Summary:

The 2025 Skullcandy Grind (S2GTW‑P750/Fuel) earbuds deliver up to 40 hours battery, wireless charging , full voice assistant and Spotify integration , plus smart audio customization—like Personal Sound , EQ presets , and Share Audio —all managed through the Skull‑iQ app . Built tough with IP55 durability and backed by Tile tracking , they're a compelling, feature-packed option for everyday and active use.