Description

Brand : Deep BassPairing name : TWS-X3Version : V5.3Communication distance : 10M Software support protocol : A2DP/AVRCP/HSP/HFPBattery type : polymer lithium battery Headphone built-in battery : 30mAh*2standby time about : 240 hoursCall time (volume 80%): about 4 hours Listen to the song (volume 80%): about 4 hoursCharge time : about 1.5 hoursBuilt-in battery in the charging box : 250mAh Battery input voltage : DC 3.7-4.2VCharging input voltage : DC 5V+/-0.25VLoudspeaker Size : 13mmImpedance : 32±ohmSensitivity : 112±3dBRated input power : 2mWFrequency response : 50Hz - 20KHz