MIDDLERANGE MACHINE WITH GOOD FEATURES WITH RECHARGEABLE OPTION. VERY FEW MODEELS IN THIS PRICE RANGE ARE RECHARGEABLE IT HAS 2 LISTENING ENVIRONMENTS CONVERSATION IN NOISE AND CONVERSATION IN GUIET, HAS 2 STREAMING ENVIRONMNETS, SPEECH AND MUSIC IIT HAS SPECIAL FREQUENCY RESOPONSE SETTING FOR MUSICAL SOUNDS FOR MUSIC LOVERS, ADAPTIVE DIRECTIONALITY TO AVOID FOCUS ON MOVING NOISES FOR BETTER FOCUS ON SPEECH.