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Bluetooth version: 5.0
Speaker: 50mm full range speaker
Frequency response range: 20Hz-20KHz
Signal to noise ratio: 102db
Battery capacity: 600mAh
Life time: 6 hours TF card playback: support up to 32G (card not included)
Power: 3W Channel: 2.1 Input: DC 5V 1A Function: with Bluetooth call, LED light, TWS interconnection function Product size: 6.5*6.5*9cm