Description
Built for sports
Coach → Catcher: Cast your voice to a tiny helmet speaker for crisp one-way instruction.
Coach → Quarterback: Send plays and adjustments to a helmet speaker on the field.
One-way only: You talk; they listen. No headsets, no accounts, no chatter.
Also handy for
Kitchen → dining room on a Bluetooth speaker at a restaurant
Parents → bonus room
Parent → tree house / barn speaker
Why you’ll like it
Zero clutter: One big Hold to Talk button
Route picker: Choose your Bluetooth speaker from the system list
Adjustable gain: Fine-tune loudness up to 3.00×
No sign-in. No ads. Works offline.
How it works
Pair your A2DP Bluetooth speaker in iOS Settings
Open One Way Radio → tap Settings to select the speaker
Hold the red button to speak; release to stop
Compatibility
iPhone running iOS 17+ recommended
Works best with A2DP-only Bluetooth speakers (e.g., BTS0011).
AirPods/earbuds aren’t the target; use a small external speaker.
Privacy
No data collected. Audio isn’t stored or sent over the internet.
Safety & League Notes
Check your league’s rules (youth/HS/college/pro) before use; some restrict on-field electronics.
Keep volume at safe levels; don’t block situational awareness.
Not for emergency communication. Not affiliated with any league.