OTTO's Tactical IV has an elastic band with boom microphone.
- Designed to fit under a helmet or cap
- Combination speaker and boom mic slide onto headband
- Flexible electret noise-canceling boom microphone for easy adjustment
- Washable mesh style headband with Velcro tab ensure a secure fit
- Mesh headband allows air circulation for comfort
- Available with body push-to-talk (PTT)
- Immersion rated- up to 30 minutes immersion in 1 meter of salt water.