Specifications:bluetooth solution:CSR8670Battery capacity: 450MAHEndurance: 15hbluetooth version:V5.0 + EDRProduct size: 60 * 60 * 17mmProduct net weight: 22GWorking voltage: 3.7 V;Working hours: about 15 hoursCharging voltage: DC 5 V;Charging interface: Micro USBCharging time: about 1.5 hours;Charging current: 150mAbluetooth solution: csr8670 modulePairing Name: bt020Profile:A2DP,AVRCP,HSP,HFPRF carrier frequency: 2400mhz-2480mhzReceiving range and distance: 360 degrees, 25 meters;Others: support one drag twoWorking temperature: - 5-45 ℃.Storage temperature: - 20 ~ 70 ℃Functions and Features:-3.5MM AUX interface-2 for 1 connections:Support 2 bluetooth devices at the same time-Low delay :High-fidelity stereo sound-Broad 82 FT/25M Working Range-Independent control button for handling two device at onceOperating instructions:-Start up: press and hold the on key for 1 second until the blue light flashes slowly.--Shutdown: press and hold the on key for 1 second until the blue light or green light is off.Back chain: turn on blue 1, green 2 light slow flash back chain, all the way back chain does not need to design automatic shutdown.-Pairing: short press the switch key blue light 1 to pair. Changan switch key 2 seconds green light flash pairing.-Clear pairing list: Changan switch key for 5 seconds.-The product does not need to make low power prompt, and it will shut down automatically when the voltage is 3.2V.-When connecting two Bluetooth headsets or effects, both should have sou
