Specification:Brand Name: MIFAModel Number: F7Bluetooth Version: 4.0Product Type: Outdoor Waterproof Portable SpeakerBattery Capacity: 1500mAh Power Voltage: DC 5V-500mAOutput Power: 3W X2Frequency Response: 80Hz-18kHzSize: W131*D82*H42mmNet Weight: 301g (Buckle not included)USB Type: USB2.0， compatible with USB1.1Speaker Unit: 1.5 inch*2Features: Hands-free call， AUX connection， IOS system incoming call ring and automatically turn off after 10 minutes without  working.<br>Package Included:1 X MIFA F7 Bluetooth Speaker1 X USB Charging Cable1 X AUX Audio Cable1 X Manual