Behind-the-Neck Communication Headset, 28 dB, Dark Blue

Communication Headset, Headset Style Behind-the-Neck, Headset Type Rigid, Noise Reduction Rating 28 dB, Dielectric No, Intrinsically Safe No, Connection Type Headset to Headset and Bluetooth, Cushion Material Foam, PVC, Cup Color Blue, Two-Way Radio Communication Type Listen, Talk, Auxiliary Input Bluetooth, Standards ANSI S3.19-1974, Band Color Blue, Band Material Stainless Steel, Battery Chemistry Li-Ion, Battery Life 11 hr, Battery Size 3.7V, Battery Type Rechargeable