Color: Black + orange - Quantity: 1 - Bluetooth version: Bluetooth v4.0 - Operation distance: 20meters - Powered by 1 x CR2032 battery (included) - Static power consumption: 0.4uA - Receive sensitivity: -100dBm - 0~10m distance adjustable - Working time: 24 hours - Anti-lost searching and alarm reminder - Automatic energy saving function - Uses advanced AES128 coding technique - If the relative distance of cell phone and this device is over the alarm distance it will warning and help you find cell phone - TI CC2540/CC2541 single-chip solution - With key chain can be install to your bag or other goods to make sure them within the safe range - Packing list: - 1 x Anti-lost alarm device - 1 x Chinese / English user manual - 1 x Key chain