Features: 1.You can turn on the Bluetooth mode every day to appreciate the charm of wireless devices. 2.Soft rubber earplugs is comfortable and breathable, and it can effectively reduce noise, giving the skin a natural intimacy. 3.Finely crafted, with precision CNC engraved titanium metal processing and lane pattern processing, it is exquisite and beautiful with outstanding texture. 4.Headphones are made of acoustic material, which is lightweight in high toughness and excellent texture. 5.With long battery life, there is no need to worry about battery is not enough for future use. specification:Item Type: Bluetooth headset Material: ABS Operating Distance: 10m Single Earphone Battery Capacity: 45mAh (included) Charging Box Battery Capacity: 350mAh (included) Bluetooth Version: 5.0 Input Voltage: DC 5V Charging Time: About 1-2 hours Music Time: About 3-5 hours Single Standby Time: About 30 hours Supported Protocols: For HSP / HFP / A2DP / AVRCP Charging Interface: Type-C PackageList:1 Pair x Headset1 x Charging Bin1 x Type-c Charging Cable1 x Instruction Manual