Headphone - Opwireless -China factory of laptop stands speaker,Lamps,wireless Charger consumer electronics

A1-ANC Active Noise Cancelling True Wireless Earbuds

• Microphone : (ANC mic x 1 , Talk mic x 2)*2 • Speaker Driver : Dynamic 10mm ; • Frequency Range : 20Hz-20KHz ; • Impedance : 32 ohm ; • Battery Capacity : 340mAh + 70mAh x 2 ( ectreme large) • Charging Time : 2.5 times ; • Standby Time : 20 days ; • Play/ Talk Time : 25 hours ( ANC on ) / 30 hours ( • ANC off ) at 60 dB ; • Neutral Color : Black / White • Active Noise Cancelling, up to 28 dB ; • Touch Control ; • Automatic pairing • IP54 proof ; • Dual or Single Use ; • Type-C Fast Charging ; • Support Apple Siri / Google Assistant

A2-Active Noise Cancelling Truely Wireless Earphone

Speaker impedance: 16Ω±15% Drive unit: Φ10mm moving coil Frequency response range: 20Hz~20KHz Speaker sensitivity: Receive sensitivity 107±3dB Rated power: 8mW for a single headphone Wireless transmission distance: 10m Bluetooth version: V5.0 BT on+ANC off: 5.5 hours BT on+ANC on: 4.5 hours BT off+ANC on:16 hours Standby time: 72 hours Charging time: 1.5 hours Earbuds battery capacity: 40mAh Charging box battery capacity: 1000mAh The charging box can charge the headphones 8-9 times Two masters Optional three charging bins. Touch Control ; Automatic pairing Support Apple Siri / Google Assistan