1、Smart Bluetooth small speaker with anti-lost rope for more convenience. 2、With phone connection function, support Bluetooth remote control mobile phone self-timer. 3、Back with mirror design, with it, you can always organize your hair and makeup, suitable for you. 4、Unique heart-shaped hole design, suitable for gift giving. 5、Fully compatible with for IOS, for Android and other smart Bluetooth devices. Features: Smart Bluetooth small speaker with anti-lost rope for more convenience. With phone connection function, support Bluetooth remote control mobile phone self-timer. Back with mirror design, with it, you can always organize your hair and makeup, suitable for you. Small size, light weight and easy to carry. Unique heart-shaped hole design, suitable for gift giving. Fully compatible with for IOS, for Android and other smart Bluetooth devices.   Specification: Bluetooth Version: JL 5.0 Frequency: 2.402- 2.480GHz Maximum Output Power: 2.5W MIC sensitivity: -32db Receive Sensitivity: Better than +82dBm. Distance: Approx. 10m / 32.8ft Data Transfer: Up to 3Mbps UART Data Transfer Rate: 115200bps Charging Voltage: 4.8V - 5.5V DC Operating Voltage: 3.7V - 4.2V DC Working Current: 200MA Quiescent Current: >1UA Battery Capacity: 250MAH   Package List: 1 x Speaker 1 x Charging Cable 1 x Instruction Manual