Color	Blue
Model	R539
Material	ABS + PC
Quantity	1 Piece
Shade Of Color	Blue
Ear Coupling	In-Ear
Bluetooth Version	Others、V4.1
Operating Range	10m
Radio Tuner	No
Microphone	Yes
Supports Music	Yes
Connects Two Phones Simultaneously	Yes
Applicable Products	Universal
Built-in Battery Capacity	70 mAh
Battery Type	Li-polymer battery
Talk Time	4 Hour
Music Play Time	3.5
Standby Time	100 Hour
Power Adapter	USB
Power Supply	5V
Packing List	1 x BT Earphone 1 x USB Cable(30CM) 1 x Chinese user manual 1 x Earbud cap

Highlights 4.1 Stereo wireless Bluetooth earphone; Super endurance、 amazing sound、super enjoy; Super intelligent noise cancellation; Super mini guitar stature; Intelligent voice prompts、 ISO power display; Intelligent multi-point connection technology; For gift-giving occasions: advertising and promotion、anniversary celebration、opening ceremony、employee benefits、 wedding、 holiday、 birthday; Standby Time:  75~120 hours; Talk Time: 1.5~3.5hours; Frenquency: 2.402~2.480GHz

Dimensions: 2.17 in x 0.79 in x 0.91 in (5.5 cm x 2.0 cm x 2.3 cm)
Weight: 0.28 oz (8 g)