Model: NE 107 Bluetooth version: 5.3 Color: Black, White, Skin tone Battery capacity: 250 mAh Scope of work: 10 meters Standby time: 180 hours Earphone battery: 40mAh Charging case battery: 300mAh Charging time: 1-2 hours Charging voltage: 3.7V Input voltage: 5V Transport packaging: gift box Trademark: AIL Origin: China HS code: 8517629400 Production capacity: 1000000 per month