Plantronics ML20 Bluetooth Headset - Mono - Graphite/Black ADAPTER NOT INCLUDED More talking, less charging. Now with voice alerts Fights noise and wind iPhone displays headset battery meter Just listen to your headset, Power switch lets you extend battery life, Voice alerts tell you talk time, volume, connection and more Comfortable fits either ear, Works with Bluetooth phones, Pair two phones and take a call from either one USA Charger Not Included