Bluetooth Speaker Onlite DS-33 with Stereo Sound Play with TF card USB Port

• Speaker: Double speaker FM Frequency Range: 87 5 – 108MHz
• Frequency Response: 100Hz – 16Hz Battery: 3 7V 1800mAh lithium battery
• Playback time: up to 5 hours Standby time: 2 hours
• Charging interface: Micro-USB
• Input voltage: DC5V – 500mAh Dimension: 179x36x70 mm