V2 TWS Dynamic bluetooth 5.0 Wireless Stereo Earbuds Noise Cancelling Touch Control In Ear Earphone with Type-C Charging

DescriptionThis specification applies to V2 TWS bluetooth headset product model V2 The product is equipped with a charging box with 300mAH The Bluetrum Technology AB5376T 5 0 dual talk high version low power core bluetooth chip has been significantly improved compared to the old version in terms of compatibility stability and functionality Specifications1 bluetooth chip and bluetooth version Zhongke Lanxun AB5376T Bluetrum Technology AB5376T V5 0 EDR2 bluetooth protocol A2DPAVCTPAVDTPAVRCPHFP3 Working frequency 2 402GHz 2 480GHz4 Transmission power CLASS2 3DB5 Temperature range 20 to 70℃6 Speaker size and impedance ⊙8mm 32Ω7 Audio signal to noise ratio S N ≥100dB8 Microphone sensitivity 38Db±2Db9 Microphone MIC 4013 round wheat10 Headphone battery unilateral 50mAH battery model 501015 polymer lithium battery11 Charging box battery 300mAH battery type 602030 plus protection plate polymer lithium battery12 Headphone charging current voltage 60mA DC 4 8 5 3V13 Headphone charging time about 1 hour 14 Charging box charging time about 2 hours15 Transmission distance ≥10 meters16 Talk time about 5 hours17 Listening time about 5 hours the actual usage time depends on the song type and volume requirements 80 volume 18 Working current 12mA19 Leakage current after shutdown 2 7uA20 Standby time about 70h theoretical value After the headset is connected to the mobile phone the standby time when it is not working 21 Charging port