Features:

Premium Bluetooth stereo headset.

Ergonomically curved design for a comfortable fit.

Stylish design with classy metallic finish.

Elegant colors of white, pink, black, red.

Retractable earbruds, simple and tangle-free wire management.

#	Item	QY7
5	Frequency response	20Hz-20KHz
6	Working Current	25~30 mA
7	Bluetooth Version	CSR4.0+ECR
8	Support	HSP, HFP, A2DP and AVRCP/Handfree
9	Effective Range	10m
10	Input	DC: 5V/130mA
11	Battery	3.7V/ 250mAh lithlum polymer battery
12	Microphone	Built in
13	Size	167.3mm*135.6mm*16.9mm
14	Weight	32g
15	Frequency Range	2402-2480MHz ISM Band
16	Distortion Factor	< =1%
17	Music Time	up to 10 hours
18	Talking Time	up to 8 hours
19	Standy Time	About 120 hours
20	Charging Time	2 hours
21	Rechargeable	USB micro 5 pin cable
22	Speaker Diameter	10mm
23	Wear Ways	headband
24	Output Power	2x20mW
25	SNR	S/N> =80