UiiSii B1 Bluetooth Earphone

• High cost performance
• It has a pretty shape and low bass for young people markets.
• Bluetooth technology 5.0 for low power consumption and fast transmission.
• Multi-fuction button for free daily life.
• Comfortable fit for long time using.
• Equipped with bluetooth version 5.0 and CSR bluetooth chip in the UK, the wireless connection is more stable, the power consumption is lower, and it is compatible with more bluetooth devices.
• IPX5 sweat and waterproof design: rain and sweat proof. You can exercise and enjoy music on windy and rainy days.
• Wearable design: the whole headset has rich music expressive force, in the composite ergonomic design, flexible TPU collar, back and shoulder wear, left and right balance design.