Specifications

• Bluetooth： V5.3
• Support Bluetooth protocol ：A2DP/AVRCP/HSP/HFP
• Bluetooth operating frequency：2.402GHz-2.480GHz
• Receiving sensitivity （TYP）：-42d±3dB
• Bluetooth effective distance：≤10 meters
• Horn power： Rating 5mW
• Channel system： Stereo sound
• Frequency response：20Hz ~20KHzA
• Built-in battery：480mAh
• Charging input standard： DC5V/1A
• Charging time： about 1.5 hours
• Bluetooth V5.3/45 hours use music time/ Hall-effect Switch/ENC/TF Card Support