... kit with DSP technology Features: 1. Combine rearview mirror and Bluetooth technology2. Full duplex, DSP technology for noise and ... bright LED caller-ID display6. Easy fixing on the original mirror, no installation, no wire7. Up to 300 hours standby time ... , 50/60Hz11. Charger Rated Output: DC6V, 1000mA bluetooth 2.0 mirror car kit with DSP technology(Model#PG-BAC-100M)