Specifications: Material: Abs, Electronic Components Plan: Lanxun 5656C Bluetooth Version: Ows 5.3 Working Distance: 10 Meters Functions: Play Music, Answer Calls, Switch Between Previous and Next Songs, Wake Up Sii Voice Assistant, Automatically Connect Speaker Diameter: 14 mm Waterproof Level: Ipx4 Charging Interface: Type-C Headphone Battery Capacity: 60 mah Charging Compartment Battery Capacity: 300 mah Listening Time: 7 Hours (Single Charge) Standby Time: 480 Hours Charging Time: 1 HourPackage Includes: 1 x T35 Ows Adjustable Ear-Hook Call Noise Reduction Wireless Bluetooth 5.3 Earphones