Thank you for purchasing the Ready2Talk HS BT4 Digital Wireless Headset. The telltale signs that your battery is getting low: The HS BT4 is designed to be a comfortable yet durable Wireless Headset Microphone offering up to 12 hrs. talk time with over 30 ft.+ (10M+) operating range. 2. Background crackling noise Please Note: The HS BT4 is not designed to directly work with other manufacturers PA’s systems, but can, with the addition of our MB 1 Microphone adaptor box. 4.
