True Wireless 5.3 Bluetooth Headset Open Wearable Stereo Ear Hanging Subwoofer Outdoor Cycling Runni
Bluetooth version：5.3Support protocol：A2DP/HFP/SPP/AVRCP/PBAP/HSPBluetooth range：≥10mBattery capacity：50mACharging box battery capacity：300mAhCharging time：About 2 hCall playing time：About 5 hSpeaker size：16mmMIC Sensitivity: -38dBFrequency：20Hz-20KHzImpedance：32ΩSensitivity：105dBCharging specification：5V/1AOperating voltage：3.7V-4.2VPackagingwhat's in the box: 2 * Wireless Bluetooth Earphone1 * Charging box1 * Type-c charging cable1 * User manual