UiiSii TWS12 True Wireless Bluetooth Earphones with 1200mAh Battery

Key Features of UiiSii TWS12 True Wireless Bluetooth Earphones

• Brand: UiiSii
• Model: TWS 12
• Bluetooth solution: Realtek 8763(5.0 Version)
• Speaker: 6mm driver
• Sensitivity: 99dB±3dB
• Frequency response: 20Hz-20KHz
• Impedance: 20Ω±15%
• Earphone Battery Capacity: Li-Polymer Battery 3.7V/ 50mAh
• Charging Gradle Battery Capacity: 3.7V/1200mAh
• Headset Charging time:≤1.5h
• Music/Play/Talking time:≥ 6hours(60% volume)
• Standby time ≥300h
• Transmission range ≥10m
• Charging time for the Charging Gradle: about 4h