Bluetooth Version: v5.0 Chipset: JL Range: 10 m / 33 ft Battery: 500 mAh Charging Time: 3 Hours Charge Input: 5 V DC, 0.5 A Playtime: 1.5 – 2 Hours Sensitivity: 90 dB Driver Size: 2" Impedance: 4 ? Signal to Noise Ratio: 90 dB Frequency Range: 120 Hz - 20 kHz Power: 6 W RMS / 10 W Peak Features and Benefits: USB & SD Card Inputs FM Radio Carry Straps True Wireless Speakers 10W Peak Power What's in the box 1 x Gemini Series Speakers 1 x USB Charging Cable 1 x Instruction Manual