Metal Touch Earphones

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General Specification
Product number	B9 Upgrade (Caller Alert)
Material	Metal + ABS
Wearing Type	in-ear
Product Size	3.5 cm in diameter / 10 cm in length
Net Weight (g)	78g
Technical Parameters
Touch / button control	Touch control
Noise-cancelling	CVC 6.0
Bluetooth Version	V5.0
Caller Alert	Yes
Binaural call	Yes
Siri / voice assistant	Yes
Battery Capacity	40mAh/300mAh
Charging Time (h)	1h
Talking Time (h)	3-4h
Compatible	iOS Android phone, laptop, and other Bluetooth devices

B9 TWS	4* Ear cap
	1* USB Charging Cable