Sennheiser CHG 2 - 2-Bay Tabletop Charger for D1, AVX, or SpeechLine DW TransmittersThe CHG 2 charger makes battery management really easy. The mobile transmitters, while not in use, are charged in the two charging bays. Thus, the devices are always ready to use when needed. The bi color LED provides the status (charging or fully charged). For seamless installation, the external power supply provides the necessary flexibility. Features: Two bay charger for SL DW, ew D1 and AVX Universal charging slots for either bodypack or handheld