Endoacustica offers, Exclusive Customer Service and free Training
GSM Micro earpiece and bluetooth pen
- Receiving distance: 30-50 cm
- Standard Zinc-air battery: type SONY 337
- Audio bandwidth: from 300 Hz to 4 KHz
- Distortion: <2%
- Size: 3x5x7mm
Product code: BT-PEN

Free customer service:
📞 Pre-Sale assistance
🧑💼 Dedicated consultation service
🛠️ After-Sales 🎓 Training and Support
🆘 Technical and operational support