Product specifications :Product Name: TWS Bluetooth HeadsetBluetooth version: 5. 0Power input : DC 5VHeadset Battery capacity: 3.7V/ 70mAhCall/Play time:about 4 hoursCharge box battery capacity 3. 7V/ 800mAhSupport agreement: HSP/HFP/A2DP/AVRCPSensitivity:103+3dBFrequency response range:20Hz-20KHz Package Includes:2 x Bluetooth Earbuds1 x Charging Box1 x Charging Cable1 x User Manual2 x Ear Caps (L/M size)
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