OKCY Wireless Speaker Bluetooth FM Radio C3 Black Features: - Supports A2DP AVRCP headset, handsfree profile - TF card support - Aux support - Powerful sound Specifications: Working Range: up to 1-m Working Time: 3 hours Dimension: 165 x 45 x 80mm Net weight: 298g Speaker Diameter: 57mm Loudspeaker Output: 5w Frequency Response: 280Hz - 16KHz Signal-to-noise: >85dB Distortion: < 0.5% Battery Capacity/Voltage: 1200mAh Battery Charging Voltage: 5V ± 0.5V Battery Charge Time: 2 hours What's in the box 1 x wireless speaker 1 x USB cable