The tempo range is 40-208bpm, and a tuning reference tone is included. Also features a choice of internal speaker or headphone listening. Key Features: - Tempo range: 40 â 208 (39 steps) - Tone generation: A4 = 440Hz Bb4=466.16Hz - Terminal: earphone jack - Tempo sound: Two different tones - Terminal: earphone jack - Power: 9V dry battery
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The waterproof case cannot be touched by the screen in the vacuum state of the water, nor can it transmit sound. The main function of the waterproof shell is that it can be worn on the body without swimming. When swimming in a crowded place, it is very difficult to find a person. Even if you are in the water, others can call you to find you.
