pTron Bassbuds True Wireless Bluetooth Headphones (TWS) with Mic

Specifications: Connectivity: Bluetooth v5.0 Transmission Range : 10 m Driver Size: Ф10mm Frequency Response: 18Hz~20KHz Speaker Impedance: 32Ω Speaker Sensitivity: 105±3dB Mic Sensitivity: -42±3dB Charging Input: DC5V Battery Capacity Earbuds: 50mAh*2, Li-Polymer Battery Capacity Charging Box: 400mAh, Li-Polymer Talk Time: About 5 Hours Music Play Time: About 6 Hours Standby Time: About 100Hours Charging Time : About 1.5Hours Other Features: High Bass Sound, A2DP Technology, Hands-free Call