• Bluetooth Version: V5.4
• Chipset: AD7003D8
• Speaker: Φ13mm
• Impedence：32Ω
• Bluetooth profiles: HFP,HSP,A2DP,AVRCP
• Function: Dual Mic ANC +ENC
• DB noise reduction: 30±3dB
• Earbuds battery: 40mAh*2 (Fully charged in 1h)
• Charging case battery: 380mAH
• Input voltage: DC 5V
• Music time: 5 Hours
• Charging time: 2 Hours
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