Tai Nghe Không Dây I7s Tws Bluetooth V4.2 Âm Thanh Stereo Dock X3u1

Giới thiệu Tai Nghe Không Dây I7s Tws Bluetooth V4.2 Âm Thanh Stereo Dock X3u1

specification:
-bluetooth version: updated to bluetooth v5.0 + edr (support two earphones to call)
-power level: class 2 and class 3
-output power: 30mw
-frequency response: 2.4-2.85ghz
-operating voltage range: 3.0v-5v
-mic: -42db (with microphone)
-with a2dp / avrcp high quality stereo audio transmission and remote control protocol
-powerful noise de-noising circuit (active noise reduction)
9: earphones battery: polymer lithium battery 50ma
-charging time:0.5-1 hours
-talk time: 2-3 hours
-music time: 2-3 hours (100% gurantee,no virtual mark, its full)
-standby time : 130 hours
14: transmission distance: out door strainght distance of 10-15 meters

package includes:
1*earphones with charging box
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