Today and Tommorrow

  USER MANUAL Specification Bluetooth version : : BT5.4 Support protocol: ; HFP V1.7;HSP V1.2;A2DP V1.3, AVRCP V1.6 Charging current: ; Earbuds:DC5V-25mA, Charging case: DC5V-1A Charging time :  Earbuds:1 hours, Charging case: 2 hours Music time: ; 4-5hours (60% of the volume) Transmit distance : 10m Capacity : Earbuds 30mAh/3.7V, Charging case: 180mAh/3.7V Frequency resopnse range : 20HZ-20KHZ Earphone rated consumptioncurrent : 10mA ​    - 1 - Basic function operation Power on : Automatically tum on the phone when the earphone is removed from the charging case Shut down : Enter the charging compartment and close the lid to shut down Volce assistant : press 3 times multifunction key on any side length Pause/Play : Click the multifunction key on any side Next song : press the secondary ear 25 Previous song : press the main ear 25 Volume up : press the secondary ear 2 times  Reduce volume: press the main ear 2 times Answeri...

  D88 Wireless bluetooth headset user's manual Product model: D88 Bluetooth version: Bluetooth V5.49+BR+ EDR+BLE Supportmode:a2dp\avctp\avdtp\avrcp\hfp \spp\smp\att\gap\gatt\rfcommisdp\12capprofile Sensitivity:-90dBm Signal distance: 210 meters (without any large obstaclesin an ideal environment) Battery specifications: headset 3.7V/60mA, charging box, 3.7V/2000mA Play time: about 6 hours Talk time: about 6 hours Standby time: about 250 hours. Charging time: Charge the charging case for approximately 2-3 hours Headphone charging takes about 2-3 hours. Number of times the charging box charges the headset: 10 times for a single headset Functional operating instructions 1. power on Take the earphone out of the charging box and turn it on automatically; Auricular organ shape State, press and hold the earphone multi-function touch area for 2 seconds to power on. 2. Shut down Long press the multifunctional touch area of the earphone for about 3 seconds to turn off the earphone. Or put it...