Bluetooth: - Version: 4.2 + EDR + BLE - Chipset: JL+ AC6901 - Profiles: SSP1.0 - Range: 10 m Specifications - Battery: 12 V, 4.5 Ah, Lead-Acid - Charging Time: 4 Hours - Charge Input: AC 100 V – 240 V - Play Time: 1.5 to 2 Hours - USB / SD Card: 32 GB - Signal to Noise Ratio: ? 65 dB - Sensitivity: 86 dB - Total Output Power: 60 W RMS / 85 W Peak - Tweeter: 1", 5 – 20 kHz - Subwoofer Size: 2 x 12? - Subwoofer Frequency: 4 ?, 60 Hz – 5 kHz What's in the box 1 x Bluetooth Speaker