JW-668 bluetooth headset

Bluetooth Earphone specifications: Calling Time 6 hours Holding Time180hours Outside Size 48*24*64mm Working Area3-10 Meters Weight 15g Batterypolymer Lithium cell Supporting Bluetooth Agreement V2.0 Color--- black, silver, red(simultaneously mix three color‘s faceplate can change. we are selling different Bluetooth headset with best quality+ price +service to look for long term business with every customer Features: 1)You can adjust the ear hook...Appreciate the flexible, soft-touch headset that delivers a comfortable fit on either ear 2)Bluetooth wireless connection, getting out of the trouble with surrounding you for line-control headset, so its more convenient to communicate 3) With volume control button 4) Fashionable appearance, smart model portable 5) Especially design Bluetooth indicator, which is very noble 6) Take advantage of the noise-canceling microphone to get great sound from noisy environments