Bluetooth - Keep your phone safe and dry by making calls directly from your radio with added Bluetooth capabilities. Burp feature vibrates water out of the speaker and the noise canceling microphone block background noise for clear communication. Clear Communication – Burp Feature vibrates the water out of the speaker grill and improves speaker performance, while the noise cancelling microphone blocks background noise for clearer conversations. Replay Missed Calls – The rewind-say-again feature automatically records the last 20 seconds of incoming transmissions, optimal in noisy conditions to make sure you never miss important information from you boat. Maximum Coverage – Allows operation of channels in the US, Canada, and internationally at 1, 3, or 6 watts with for short and long range communication, and access to NOAA weather channels, and instant Channel 16 access for emergencies. Everything You Need – This Cobra Handheld Marine Radio comes ready to use with the included drop-in battery charger, AC charger, 12V DC charger, LiON battery pack, antenna, owner’s manual, spring loaded belt clip, and wrist strap.