BT270(A) Wireless Stereo Sport Earphone Bluetooh Headphones

Bluetooth versionV4.1Working distance10metersStandby timeabout 360 hoursTaking time48 hoursCharging time2 hours Speaker diameter 40mm Support TF card 2-16G

Model： BT270(A) Wireless Stereo Sport Earphone Bluetooh Headphones

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Bluetooth version	V4.1
Working distance	10meters
Standby time	about 360 hours
Taking time	48 hours
Charging time	2 hours
Speaker diameter	40mm
Support TF card	2-16G