Operational time up to 16 hours with 6 hours charge-time (from flat). Robust digital-transmission that is licence-free throughout the UK & EU, (863-865 MHz) - please ask about other countries. OVERVIEW Very compact and lightweight to carry with you on your travels. Operational time: up to 11 hours with 6 hours charge-time (from flat) Complete package with single guide unit with 34 listeners. Robust digital-transmission that is licence-free throughout the EU, (863-865 MHz) - please ask about other countries. PACKAGE INCLUDES: Transport bag with integrated charging function for transmitters and receivers of the ATS-20 series. Charge time: 6 hours from flat. One miniature transmitter for the guide, with neck lanyard, clip-on microphone (for quiet spaces). We include a headworn microphone for optimum speech sound to the listeners and to give hands-free operation for the guide or interpreter. Miniature receivers for your guests that come with neck lanyard & single earhook speaker. Headphone options available separately. Guests may use their own headphones if preferred (3.5mm mini-jack). Up to four simultaneous groups. COMPACT & LIGHTWEIGHT: The canvas carry bag measures 45 x 26 x 14cm and weighs 4Kg. Delivered within an SKB transit case. Need more receivers for a larger group? Rent & combine additional 34-listener packages - also available as a package with 11 listeners + tourguide.