Specifications:
☆COLOR: BLUE☆MATERIAL: PLASTIC & RUBBER☆TYPE: STEREO BLUETOOTH HEADSET☆BLUETOOTH VERSION: BLUETOOTH V2.1☆WIRELESS TRANSMITTER STANDARD: CLASS II☆FREQUENCY RESPONSE: 2.402GHZ - 2.480GHZ ISM BAND☆CHANNEL: 79 CHANNELS OF 1 MHZ BW☆MODE OF CONNECTION: POINT-TO-POINT☆SENSITIVITY: -80DBMSpecifications:
☆COLOR: BLUE☆MATERIAL: PLASTIC & RUBBER☆TYPE: STEREO BLUETOOTH HEADSET☆BLUETOOTH VERSION: BLUETOOTH V2.1☆WIRELESS TRANSMITTER STANDARD: CLASS II☆FREQUENCY RESPONSE: 2.402GHZ - 2.480GHZ ISM BAND☆CHANNEL: 79 CHANNELS OF 1 MHZ BW☆MODE OF CONNECTION: POINT-TO-POINT☆SENSITIVITY: -80DBM☆OPERATION RANGE: ☆TRANSMISSION SPEED: 57 - 723KB/S☆STEREO COMPRESSION RATIO: 44.1/48KHZ☆TALK TIME: 4 HOURS☆STANDBY TIME: 100 HOURS☆MUSIC TIME: ABOUT 5 HOURS☆CHARGING TIME: 1-2 HOURS☆SUPPORT FORMAT: MP3 WMA WAV☆SUPPORT SYSTEM: WINDOWS 98 / 2000 / XP / VISTA☆POWER SOURCE: PC (USB 5V)☆BUILT-IN 3.7V 100MA LITHIUM BATTERY (CHARGED VIA USB)☆BUILT-IN MICROPHONE FOR HANDS- FREE CELL PHONE USE☆CONTROL BUTTONS: PLAY/PAUSE/ CALL / RECEIVE, VOL , VOL -, MINI-USB IN☆DIMENSION: ABOUT 5.7'' X 5.3'' / 14.5CM X 13.5 CM☆USB CABLE LENGTH: ABOUT 24.4'' / 62CM☆WEIGHT: 0.088LB. / 40PACKAGE INCLUDED:1 X UNIVERSAL NECKBAND HEADPHONE SPORT STEREO WIRELESS BLUETOOTH HEADSET