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YT D740

--Bluetooth version: V5.0

--Wireless receiving frequency range: 2.402GHz-2.480GHz

--Audio response: 20Hz-20KHz

--Effective receiving distance: ≥ 15 meters

--Music playback: true stereo

--Music playback time: about 5 hours (can also be customized for 10 hours with an additional 1 yuan)

--Intelligent voice assistant function *Plastic magnetic

--Talk time: about 5 hours

--Standby time: 300 hours

--Battery: 3.7V/ 60 mAh, polymer lithium battery with protective plate (or 130 mAh can be customized by adding 1 yuan)

--Speaker specification: φ10mm 16Ω good sound quality

--Microphone sensitivity: -42dB

--Signal to noise ratio: ≥95dB


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Product Description

--Bluetooth version: V5.0

--Wireless receiving frequency range: 2.402GHz-2.480GHz

--Audio response: 20Hz-20KHz

--Effective receiving distance: ≥ 15 meters

--Music playback: true stereo

--Music playback time: about 5 hours (can also be customized for 10 hours with an additional 1 yuan)

--Intelligent voice assistant function *Plastic magnetic

--Talk time: about 5 hours

--Standby time: 300 hours

--Battery: 3.7V/ 60 mAh, polymer lithium battery with protective plate (or 130 mAh can be customized by adding 1 yuan)

--Speaker specification: φ10mm 16Ω good sound quality

--Microphone sensitivity: -42dB

--Signal to noise ratio: ≥95dB