Specifications: Model: TWS-MD03 Wireless connection Bluetooth 5.0 Communication distance 10 meters (accessible open environment) Dual headphones continuously listen to songs for about 10 hours Headphone standby time is: about 300 hours Headphone charging time is about 1.5 hours Charging box charging time is about 2 hours Type: Bluetooth Earphones, Wireless Headphones, Waterproof Headphones Feature 1: Wireless Earphones, Bluetooth Headphones, Handfree Headsets, TWS Bluetooth Headphones Feature 2: IPX7 Waterproof, Auto Pairing, Touch control,Smart Noise-cancelling Bluetooth 5.0 Earphones Function: audifonos para celular + auriculares bluetooth inalambrico Package Included: 1*FBYEG MD-03 TWS bluetooth 5.0 Earphone 1* Micro USB dual interface charging 3 pairs of eartips 1* Manual