Earphone TWS Edifier BT TWS1 Black Overview:Longer play time: 8 hours per charge and 32 hours in reserve with charging case Small size with latest technology for comfortable fit Noise reduction for clearer phone conversations Bluetooth 5.0 with Qualcomm® aptX™ technology High-performance bio-diaphragm delivers optimum sound quality Touch control for easier music/call switch Features: Bluetooth version :Bluetooth V5.0 Supported Profiles :A2DP, AVRCP, HFP, HSP Effective distance :10m Playback time :Approx. 8 hours Charging time :Approx. 1.5 hours Input :DC5.0V 60mA earbuds, DC5.0V, 500mA charging case Impedance: 16Ω Length (cm): 10.0 Width (cm): 4.0 Height (cm): 10.0 Net Weight (kg): 0.14 Gross Weight (kg): 3.00 Pieces per box: 20