m7 bluetooth audio

Model: AB5605C Version: 5.3 Battery: 1200mAh (18650A) Speaker Diameter: 57MM Speaker Power: 3Ω 8W (Actual Power: 7.2W) Charging Voltage: DC5V 500MA Frequency Range: 122Hz-20kHz Signal-to-Noise Ratio: 85dB Supported Features: TF/AUX/USB/FM/Bluetooth Charging Time: About 2-3.5 hours Play Time: About 2-3.5 hours Product Net Weight: About 445g Product Gross Weight: About 502g Product Size: About 9.3*9.3*14CM Color Box Size: About 105*105*148.5MM Packaging Quantity: 30PCS Gross Weight: About 15KG Net Weight: About 13.5KG Crate Size: About 555*335*315MM Color: Black