Tai nghe nhét tai không dây bluetooth A4-TWS chống thấm nước âm thanh sống động cao cấp

Description: Product Name: Bluetooth Headphones Version: 5.0 Effective range: 10m Frequency response: 20hz-20khz Material: plastic Playing and listening to music: 4-6 hours Charging time: 1-1.5 hours Battery capacity: 45 mah Battery in charging bay :350 mah Products include: 1 x Data line,1 x product,1 x Manual,1 x box packaging Due to the light and screen setting difference, the color may be slightly different from the pictures.