1. Adopt AI active noise-canceling technology to filter ambient noise.
2. Interchangeable earpiece and audio connector plug for more options.
HD1 SP/MIC protection cover
Programming Cable for RB36 RB636
RT27 business FRS two way radio + Six-Way Charger 1pcs
Compatible with Retevis RB26, RB37, RB637
1400mAh 3.7V Original Li-Ion Battery for RA619
1200mAh 3.7V Original Li-Ion Battery for RT68
Bluetooth earpiece for RB37/RB637, RB89/RB689, HD2