Cuffu Super mini headset Black Color H300 - Bluetooth For Motorola I465 / Nokia 6790 / Samsung A877 / A887 / i637 / i920 / Magnet A257 / S30 / T469 / T559 / T749 / Sanyo 2700 / Palm Pre Work perfect with all cell phone carrier : Sprint / AT&T / Nextel / Tmobile / Verizon / Virgin / Cingular / Alltel / Centennial / Cricket / Net10 / nTelos / Tracfone / U.S. Cellular