wich codecs are AAC, SBC, Aptx ?, thank you.

The codecs used in the Rail earbud is SBC.

Does Skull-IQ with Rail ANC buds, work with Alexa for handsfree/voice control? Or, does Alexa ONLY work the the PUSH buds that have "Alexa Built in"?

Looking at the card/insert, SKULLCANDY RAIL ANC buds work with voice commands like "hey skullcandy". I see no mention of it being ALEXA command compatible. I think you should email SKULLCANDY tech support for this question, to confirm

Are these Rail ANC buds aptX enabled? Thanks! ♐

Yes it has worked quite well for me without any problems at this time. The quality sounds the same for what I'm hearing.

Are these waterproof?

No. But splashes etc is fine. Water resistant not waterproof

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Description

🎧 Elevate your sound game with unstoppable power and personalized precision.

SWEAT SPLASH READY - IP55 rating means these earbuds survive your toughest workouts and unexpected weather—no compromises on performance.
EPIC 42 HOUR PLAYBACK - Stay unplugged longer with 33H in case + 9H earbuds—power that keeps pace with your hustle.
FIND YOUR BUDS WITH TILE - Never lose your earbuds again—activate Tile via the app and track them down in seconds, saving you time and stress.
SEAMLESS MULTIPOINT PAIRING - Connect to two devices at once and switch effortlessly—perfect for work calls and playlist jams without missing a beat.
PERSONALIZED SOUND EXPERIENCE - Skull-iQ app lets you tailor EQ settings to your unique hearing profile—because your ears deserve custom vibes.

The Skullcandy Rail Wireless Earbuds deliver premium audio with deep bass and a dynamic range, powered by up to 42 hours of battery life. Featuring IP55 sweat and water resistance, multipoint Bluetooth connectivity, and customizable sound via the Skull-iQ app, these earbuds are designed for professionals on the move who demand durability, convenience, and personalized sound quality.

Specifications

Age range (description)	Adult
Material	Plastic
Specific uses for product	General use:
Charging time	42 Hours
Recommended uses for product	Everyday Use, Traveling, Working Out, Commute
Compatible devices	Bluetooth Devices
Control type	Noise Control
Cable feature	Without Cable
Item weight	48.5 Grams
Water resistance level	Water Resistant
Frequency range	20Hz – 20KHz
Unit count	1.0 count
Style	Rail
Control method	Touch
Number of items	1
Product Dimensions	14.5 x 8.99 x 3.1 cm; 48.5 g
Batteries	3 Lithium Polymer batteries required. (included)
Item model number	S2RLW-Q751
Connector	Wireless
Material Type	Plastic
Size	One Size
Battery Type	Lithium Polymer
Voltage	230 Volts
Item Weight	48.5 g

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