Wireless Earbuds Earphones TWS Bluetooth 5.0 with Charging Case Noise Reduction Bass Stereo Sound and Build-in Mic

Parameters: Bluetooth version: V5.0 How to wear: In-ear Channel system: stereo Transmission distance: about 10m Charging input standard: DC 5V/0.5-1A Music time: about 3-4 hours Talk time: about 5-6 hours Standby time: about 100 hours Battery: Headphone: 3.7V lithium battery, 55mAh Charging box: 3.7V lithium battery, 450mAh Charging time: Headphones: 30 minutes, charging box: 1 = 2 hours Headphone size: about 2.5X2.2X1.7CM/0.98*0.87*0.67in. Charging compartment Size: about 4.4X3.3X5.8CM/1.73*1.30*2.28in. Packing List Earphones*1 Chinese and English Manual*1 Spare Earbuds *4 Data cable*1 Packing box*1