The HoMedics HX-EP250 Craze Wireless Stereo Ear Buds offer Bluetooth convenience in a small ear bud form. Rechargeable battery lasts up to 6 hours, and wireless functionality works up to 30 feet. Speakerphone functionality for your iPhone, Android smartphone, tablet or Bluetooth enabled device. Comfort fit: three sized ear tips for perfect fit for your ears. Ear hooks keep ear buds secure during any activity.