Choetech DNS Bluetooth low energy chip v5.3 Mini TWS Earphone

Model BH-T24color green white dark blue skin colorVersion 5.3Support HFP HSP A2DP AVRCPFrequency range 20Hz～20KHzHeadphone battery capacity 30mAhCharging compartment battery capacity 300mAhTransmission distance 10MCall duration 2 hours (80% volume)Play time 4 hours (80% volume)Standby time: about 30 hoursHeadphone charging time: about 1.5 hoursCharging time in the charging compartment is about 2 hoursSpeaker Φ13mm @32ohmImpedance 32Ω±15%Charging compartment battery capacity 300mAh/ 3.7V / 1.11Wh(Input) Charging compartment 5V-0.5A(Output) Charging compartment 5V- 0.3A