■New Bluetooth 5.0, Blue Xun 5616 Bluetooth solution■ Bluetooth effective distance ≥ 10m■The best call distance within 10m■Headset maximum power 5mWHeadset amplifier type: chip built-in■ Audio signal-to-noise ratio: S/N ≥90dB■ Frequency response:50Hz～20KHz■ Speaker unit: Φ6mm@32ohm titanium membrane dynamic coil■Built-in battery: lithium battery: headphones: 3.7V / 25mAh rechargeable base: 3.7V / 450mAh■Music time: about 3 hours (80% volume)■ Talk time: about 3 hours (80% volume)■Charging input standard: Type-c DC5V, 1000mA■Charging time: Headset head lithium battery 3.7V, 25mAh Charging compartment: 300mAh■Battery cycle life Charging and discharging cycle ≥ 300 times after the capacity is 80% of the initial capacity■Sound system: stereo■ Bluetooth operating frequency: 2.402GHz-2.480GHz ■Receiving sensitivity: 88dB±3dB &1kHz■Active and passive:Active■Size: Charging case size: 53X53X32mmHeadphone size: 40X20X25mm ■Weight: 40g ■Body material: ABS
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