Wireless Headset Headset Style Over-the-Head Headset Type Rigid Noise Reduction Rating 27 dB Dielectric No Intrinsically Safe No Connection Type Bluetooth Cushion Material Foam Cup Color Black Two-Way Radio Communication Type Listen Talk Auxiliary Input Bluetooth Compatible with Series APX DGP DP SRX XIR XPR Band Color Black Band Material Plastic Battery Life 22 hr Battery Type Rechargeable Compatible with Brand Motorola Compatible with Grainger Part Number 420A54