Model: NE 105 Bluetooth version: 4.0 Color: Black, White, Skin tone Battery capacity: 250 mAh Scope of work: 10 meters Stand by Time:180hours Earbuds Battery:40mAh Charging Box Battery:300mAh Charging Time:1-2hours Charge Voltage:3.7V Input Vlitage:5V Transport packaging: gift box Trademark: AIL Origin: China HS code: 8517629400 Production capacity: 1000000 per month