The development of mobile device technology among High School (SMA) users and its equivalent has not been maximized maximally to support the achievement of effective and efficient learning goals. The purpose of this service activity is to provide training to high school / MA / SMK teachers in the form of the ability to recognize, understand and develop micro teaching materials (microlearning objects). Training activities are carried out by using a blended training model that is a combination of face-to-face training activities and online training. Face-to-face activities use lecture, discussion and online game methods, while online training is in the form of a study of training materials and independent training. The results obtained in the form of the ability of participants to understand, design and develop micro teaching materials using mobile devices they have. Perkembangan teknologi mobile device di kalangan pengguna Sekolah Menengah Atas (SMA) dan sederajat belum dioptimalkan secara maksimal untuk mendukung pencapaian tujuan pembelajaran yang  efektif dan efisien. Tujuan dari kegiatan pengabdian ini yaitu memberikan pelatihan kepada para guru SMA/MA/SMK berupa kemampuan untuk mengenali, memahami dan mengembangkan bahan ajar mikro (microlearning object). Kegiatan pelatihan dilakukan dengan menggunakan model blended training yakni perpaduan antara kegiatan pelatihan secara tatap muka dan pelatihan secara online. Kegiatan tatap muka menggunakan metode ceramah, diskusi dan game online, sedangkan pelatihan online berupa kegiatan kajian bahan pelatihan dan latihan mandiri. Hasil yang diperoleh berupa kemampuan peserta dalam memahami, merancang dan mengembangkan bahan ajar mikro menggunakan perangkat mobile device yang dimilikinya.