"Bluetooth Version：CSR4.0 Frenquency：2.402-2.480GHz MAX Power output:3W MIC Sensitivity:-32db Receive Sensitivity:Better than +82dBm Range:10meters Data Transmission:Up to 3Mbps UART Data Transmission Rate:115200bps Charing Voltage :4.8V -5.2V DC Working Voltage:3.7V -4.2V DC Working Current:200MA Quiescent Current:>1UA Battery :600MAH Antenna:Built in How To Use the Bluetooth Speaker 1."M" Button : Press the button for 3 seconds as this function of hand gesture recognition is implied "off". It will be next song if from left to right;in contrast,it will be the last song . That from down to up stands for "Pause",of course, that from up to down is "Play" . 2."M" Button: Transform models ( Bluetooth Model/TF Card Model/Line-in Model) is just to be pressed for a short time. "Bluetooth Model "is implied. Insert a piece of TF card ,it will be automatically transferred to the TF card mode; the Line-in Mode will be on when line is combined. A. Volume Button: Touch" " is for "Volume Down"," " is for "Volume Up". ( Transforming Between Chinese and English for this two button same time 3 second pressing ) B. Call on/off: the button is for "Pause"or"Play" when it is pressed for a short time.When call is coming, it is also for "Call"or "Hang up".Long press is for On/Off. C. Resetting Button : The range is 15mm from outside of Line base to resetting key inside round hole of Line-in of plug base. Remarks with using Bluetooth Speaker 1. The furthest range is 15cm when the function of hand gesture recognition is effective. 2. The best range is 50cm if you have a call with Bluetooth Speaker.
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