This featherweight Bluetooth headset weighs just over 1/4 oz. and slides easily onto an earlobe with its two-way flexible ear hook and rests unobtrusively in the optimal position for the best comfort and reception. It has built-in echo cancellation and noise suppression software that provide clear voice quality, and can pair with up to seven different Bluetooth-enabled devices. With voice-activated dialing, re-dialing, and call rejecting functions. Provides up to four hours of talk time (up to 70 hours of standby time) before requiring a 1 1/2-hour recharge using the included DC car charger or home use charging cradle. 1 1/4" L x 3/4" W x 1/4" D. (1/4 oz.)