2020 Macaroon Airdots IPX4 Waterproof Bluetooth Earphones A6S TWS Headset Stereo Earbuds With Charging Case
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Specification: Colour: Black Bluetooth version: V5.0 Bluetooth distance: 10m Charging time: about 1-2 hours Standby time: about 80 hours Music time: about 3 hours Call time: about 4 hours Audio transmission format: HFP / A2DP / HSP / AVRCP Headphone battery: polymer lithium battery 45mAh Battery box battery: polymer lithium battery 280mAh Working voltage: 3.2 - 5.0V Charging voltage: DC5V Frequency: 2.5.0.48 GHz Speaker impedance: 32Ω Speaker bandwidth: 20-20KHz Speaker sensitivity: 105dB Microphone sensitivity: - 42 +/- 2db
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