Motorola HNN9044A Two-Way Radio Battery (1000mAh, 7.2V, NIMH) & Shoulder Speaker with Push to Talk (PTT) Microphone Replacement For Motorola SP10, Motorola SP21, Motorola MU21CV, Motorola PRO1150 Replacement Battery & Speaker with Push to Talk (PTT) Microphone - Compatible with Motorola SP10, Motorola SP21, Motorola MV21C, Motorola MV22CV, Motorola MU11C, Motorola MU21CV, Motorola PRO1150 Replacement for Motorola HNN9044A Two-Way Radio Batteries. Kevlar reinforced coiled cable plus cable strain relief for maximum durability Receive and transmit clear audio quality in any type of environment without having to pick up your radio. Ergonomic and easy to grip design with a large PTT push to talk button for convenient operation. Convenient PTT push to talk button prevents unwanted or accidental radio transmission. Capacity: 1000mAh; Upstart Battery Brand; QTY: 1 Battery, 1 Shoulder Speaker Wide 360 degree rotating clip attaches onto a shirt or collar securely. On Sale for a Limited Time!