WIWU Bluetooth earphones T21 TWS black

Material:

• ABS

Connectivity:

• Bluetooth: V5.3
• Chips: AD6973D4

Battery:

• Charging Case: 300mAh
• Earbud: 30mAh
• Charging Time: 2 hours
• Working Time: 3.5 hours for phone calls, 4 hours for music play
• Standby Time: 180 hours

Design and Features:

• Semi-in-ear design
• HIFI music quality
• ENC (Environmental Noise Cancellation)
• Frequency Response Range: 20Hz-20KHz
• Transmission Time: 25ms
• Receiver: TYPE-C/Lightning
• Built-in charging compartment for easy storage
• Automatic connection without pairing
• Plug and play, no APP needed
• One key for noise reduction and mute
• Stable transmission with 4G private protocol
• AI intelligent noise reduction
• Supports recording while charging and live streaming