Miniature Bluetooth Headset
- Bluetooth headset with hands-free profile
- Redesign for miniaturization, using embedded passives
- 128-bit encryption implemented in hardware
- Voice reception with two microphones for ambient noise cancellation
- Rechargeable battery via USB interface
- Bluetooth interface, speaker, and volume control button
- PCB redesigned for ultra-compact form factor using cutting-edge technology:
- 13.0 mm x 16.4 mm
- 10 layers, 3/3 technology
- Embedded passives integrated directly into the PCB
- Use of ultra-small packages: 0401, 0201, and 01005
- Via-in-Pad and microvias
- BGA 0.5 mm
- Custom software to calculate the geometry of embedded passives
