YooKiE ES21 TWS Earbuds | 13.5mm Bass Driver | 5-6H Playtime | IPX4 Waterproof

True Wireless Stereo​​
• Bluetooth solution: JL, touch model
• Horn Size: ∮13.5MM 32Ω brass ring
• Waterproof class: IPX Grade 4 waterproof
• MIC: 2718 original Mic
• Headset battery: 30mAH, IC plus board
• Main warehouse battery: 200mAH, protective plate
• Earphone charging time: 1H
• Charging time of main warehouse: 1.5H
• Transmission distance: ≥10m (barrier-free)
• Playing time: 5-6H
• Charging port: Type-c
• Charging case Charge headset: 4 times