Outdoor Waterproof Vehicle-mounted Portable Card Bluetooth Speaker

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Product information:
Bluetooth specification: Bluetooth5.0
Bluetooth protocol: supports L2CAP/A2DP(AVCTP/AVDTP/AVRCP) to receive stereo audio signals. The protocol allows you to control the upper and lower output operations of the audio transmitter; support HSP/HFP(Handsfree profile), with hands-free function, can carry out voice communication
Wireless transmission range: 10m
Audio Noise ratio: ≥ 90db
Battery capacity: 1200mAh
Built-in voltage: 3.7V
Normal volume playback: 3h to 4H
Speaker specification: Platinum 52MM * 1
Speaker Power: 4Ω/5W * 1
Frequency response: 120HZ-20KHZ
Charging voltage: 5V/500MA
Size: 141*35*69.4mm