Bluetooth(R) v3.0 supports A2DP, AVRCP & HFP proflies; Hands-free speakerphone with built-in microphone for Bluetooth(R)-enabled phone; Bluetooth(R) Secure Simple Pairing (SSP) using NFC for easy pairing; AM/FM receiver with 10 AM 10 FM presets & digital PLL tuning; Multifunction blue backlit LCD display; Sleep; Snooze; User can wake to radio or alarm; Digital volume control; Splash-resistant cabinet; Waterproof Mylar(R) speaker; Built-in AM/FM antennas; Hangs from shower head or curtain rail; Requires 4 AA batteries; Dim: 6.1H x 6.1W x 2.24D;