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Bluetooth version: Jerry Frequency: 2.402-2.480GHz. Maximum output power: 3W*2 MIC sensitivity: -32db. Receiving sensitivity: Better than +82dBm. Distance: 10meters. Data transmission: Up to 3Mbps UART data transfer rate: 115200bps. Charging voltage: 4.8V -5.5V DC. Working voltage: 3.7V -4.2V DC. Working current: 200MA. Quiescent current: >1UA. Battery capacity: 1200MAH Antenna: None Bluetooth connection to play; hands-free answering calls; TF card function; USB function; AUX function FCL size: 50*42*23CM FCL quantity: 30pcs/carton FCL weight: 15.3KG
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It can be used in offices, residential places, streets, shopping places, buses, subways, fitness and other places.