Volkano Stun Series Bluetooth Speaker - Black Chipset: JL Bluetooth Operating Distance: 10 m Bluetooth Version: 5.0 Battery Capacity: 1 200 mAh Sensitivity: 85 dB Charge Time: 5 - 6 hrs Battery Type: Li-Ion Playback Time: 1.5 - 2 hrs Total Power Output: 2 x 3 W = 6 W RMS / 10 W Peak Max. Size for USB Drive: 16 GB Charge Input / Power Supply: 5 V DC, 0.5 A Driver: 2 x 2 Impedance: 4 O Signal to Noise Ratio: 95 dB Shoulder Strap: NA USB Charging Cable: Yes FM Radio: Yes ICASA: TA-2018/2044 FM Radio Range: 87.5 - 108.0 MHz Frequency Response: 120 Hz - 20 kHz SD Card: Yes Aux: Yes What's in the box 1 x Volkano Stun Speaker Black