Product features from GSM Outdoors website:
- 48 Hours battery life on a single charge
- Lightweight, compact behind-the-ear design can be used in either ear
- On/Off Switch
- dB Limiting @ 105dB
- Noise Reduction Rating 22dB
- Can be used in either ear
- 3 sizes foam ear tip
- 3 bottom cell batteries
- Brush and wax pick / Screwdriver
- USB charging cable.
The Walker's Rechargeable Ultra Ear has rechargeable batteries, volume control, power switch, and noise reduction.