Krzr K1m, Krzr K1, E770v, E770, E690 (All Carriers Including T-mobile, Verizon Wireless, Sprint, At&t , Alltel, Tracfone, Us Cellular, Metropcs, Virgin Mobile, Cricket & Qwest)Listen to your favorite MP3 music in stereo! Experience improved sound clarity - even in noisy environments - with the acoustically tuned speaker. Includes a shirt clip, so you can easily walk and talk hands-free. Conduct important personal and business calls on-the-go. Ergonomic earpiece with soft comfort ring provides comfortable fit even over extended periods: High Quality Audio; Easy to Operate; Hands-Free; Comfortable fit. * Quality- Brand new high quality non OEM MP3 earbud hands-free headset. * Ergonomic, dual bud compatible with MP3/iTunes listening pleasure! * Quality- Brand new high quality earbud hands-free headset. Please note: The integrated call/end button only work if these features are supported by phone.  (less)

calendar, and text message/SMS. In order to access all these features a separate phone software will be needed. Note that this product does not include a phone software. It supports FBUS, MBUS duplex operation mode. Supports USB 1.1 and 2.0 connections. This Data Cable charges at the same time you are connected on a computer. Length of the cord is 1.1 meter. Compatible with: BLACKBERRY: 8100, 8110, 8120, Curve 8300, Curve 8310, Curve 8330, 8703E, HTC: S511(SNAP), Touch Fuze (GSM), XV6175(OZONE), MOTOROLA: C290, i290, K1M, L7C, Maxx Ve, V361, V3a, V3XX, VA76r(Tundra), VE465, W370, W385, W510, W755, Z3, Z6M (AT&T, T-Mobile, Sprint, Alltel, Metro PCS, Verizon Wireless, U.S Cellular)  (less)