1、CHARGING BASE: The charging base is powered by a 5V 2A charging port and is equipped with USB power interface to charge the transmitter at the same time. Centralized charging in the charging slot, orderly storage, convenient and tidy. 2、LIGHTWEIGHT RECEIVERS: The receiver(headset) is made of soft and skin friendly silicone, which is comfortable to wear for a long time. 18 hour battery life and with no interference reception over a range of up to 150m/492ft. 3、TRANSMITTER WITH A MICROPHONE: The transmitter can turn off all headsets with 1 click and switch to silent mode with 1 touch. Transmitter size 3.94x2.17x0.79in, working range 150m/492ft, use time 18 hours. 4、CLEAR SOUND: The tour guide system adopts digital noise reduction technology to reduce ambient noise and ensure the clarity and fidelity of listening sound quality. Users can hear the commentary without any distortion or interference, making it a seamless experience. 5、USAGE SCENARIOS: Tour guide systems bring visitors clear and intelligible communicating via radio transmission during factory tours, travel and city tours, multi language interpretation, Museum tours,tour guides and sightseeing tour. Item Type: Wireless Tour Guide System Material: ABS Weight: Approx. 735.00g / 25.93oz Communicating Range: Approx. 150m / 492ft 1 Transmitter: Transmitter Size: Approx. 100x55x20mm / 3.94x2.17x0.79in Battery Type: Lithium Ion Battery 1400MAH (Built in)Battery Life: 24 hours on full charge Charging Method: Type C Interface 10 Receivers: Single Receiver Battery Type: Lithium Ion Battery 180MAH (Built in) 1 x Transmitter 10 x Receivers 1 x Charging Base 1 x Plug 1 x Connecting Cable 1 x Hanging Rope 1 x User Manual 1 x Microphone 1 x USB Cable