Écouteurs sans fil Bluetooth 5.3 TWS J220, casque d'appel intelligent, étanche, antibruit, pour tous les smartphones

Roduct specification Product model: J220 True wireless version: V5.3 Battery specification: earphone 3.7v ; Charging bin 3.7v Supported mode: HFP/HSP/ A2DP/AVRCP Sensitivity: 105dB ±3dB S.P.L at 1KHz Signal distance: 10 m (in an ideal environment without any large obstacles) Playing time: about 2.5 hours Talk time: approximately 3 hours Standby time: about 80 hours Charging time: charge the charging warehouse for about 1.5 hours, and charge the headset for about 1 hour Charging times for the headset: about 3 times Functional instructions 1.Boot Take the headset out of the charging bin and start it automatically or long press the left and right multi-function button of the headset for 3 seconds. 2. Shut down Put the earphone into the charging chamber and turn it off automatically. Long press the left and right earphone Multifunction keys for 7 seconds to turn it off 3. Boot back When the pairing is successful, the Bluetooth headset will first enter the state of reconnect when the second time is started and automatically reconnect the connected phone. pairing method 1. Take out from the charging warehouse or press the left and right earphone Multifunction button for 3 seconds to start up the headset until the red and blue lights flicker alternately, enter the state of search and pairing for the ear, enter the state of automatic pairing for the ear. After the pairing is successful, the red and blue lights of the main ear (right ear) continue to flicker alternately, while the blue lights of the secondary ear slowly flash, and play the prompt sound of successful pairing for the ear. 2. Start the Bluetooth function of mobile phone or other devices. If it is an android phone or device, please click the "search bluetooth device" option. When the model of the Bluetooth headset is found, click to enter pairing; After the pairing is successful, the main (right) ear will send out a signal that the connection is successful, and the indicator lights of the left and right earphones will turn to blue light and enter the standby state of connection. After the pairing is successful, the main ear will be the right channel, and the secondary ear will be the left channel. 3. The two earphones can also be paired with the mobile phone independently. The lamp operation method can be operated according to the operation method in step 2 above. Charging operation 1. When the power of the charging bin is insufficient, the breathing light will flash green. Plug one end of the micro USB charging cable into the USB port of the charging bin. Plug in the charger at the other end to charge the charging chamber. The breathing light will flash red and turn on red after being fully charged 2. Charging the earphone: put the earphone into the charging bin to automatically charge. During charging, the earphone indicator light is red and goes out after being fully charged; When the headset is fully charged, the headset light will go out. Precautions 1. Please charge in a safe environment. When charging the charging warehouse, please separate the charging warehouse from the USB charging cable as soon as possible after the charging indicator is off, so as to avoid damage to the charging warehouse caused by the long time of charging. 2. When the music is playing, please adjust the music to the appropriate volume to avoid long-term damage to the hearing under the condition of high volume.