Bluetooth Car FM Transmitter - Hands-Free Calls, Dual USB Charging, LCD Display Speaker Stands Siren Mode: Button-Activated Automatic Siren

Siren Mode: Button-Activated Automatic Siren Function

The Bluetooth Chest Strap with Heart Rate Monitor Watch monitors your heart rate during all of your exercises and workouts

Suitable for 1080p and Lower Video formats

The wireless chest strap features Bluetooth Smart technology that allows you to connect and enjoy data transfer with free downloadable apps -- compatible with iOS and Android devices

Bluetooth Car FM Transmitter - Hands-Free Calls, Dual USB Charging, LCD Display Speaker Stands Siren Mode: Button-Activated Automatic SirenDETAILS Features: Wireless Phone Call & Audio Streaming Transmitter Automatic Hands Free Mode Built in FM Transmitter 4 Way Stereo Music Streaming LCD Backlight Display Screen Incorporated Voice Microphone Cable Detect and Display the Voltage of the Car Battery When Powered On Full 206 Channels Optional From 87. 5 108 MHz Support Micro SD Card & Read USB Disk Quick Siri Google Assistant Activation User friendly Switch to Private Call Hook and Loop