Specification:
Product name: SE-9Bluetooth version: Buetooth V5 0Bluetooth protocol: HSP/HFP/A2DP/ AVRCPCharging time: About 2 hoursPower input: DC5VTalk time: 5 hoursListening time: 6 hoursStandby time: About 150 hoursFrequency range: 20-20kHzCharging box capacity: 3.7/400mAhSensitivity: 110 soil 3DBBattery capacity: 3.7V/ 60MAH