Feature: 1. BLUETOOTH CONNECTION: Beat, sounds, and music playback. Turn on Bluetooth from your phone or instruments with bluetooth sound output, search the device AM‑718 and pair them, Bluetooth metronome come with beat sounds and Bluetooth music playback. Bluetooth 5.0 provide 10 meters range transmission and low latency 2. EXCELLENT PERFORMANCE: Bluetooth speaker metronome with vocal counts switch, powerful sound, and clear LED tempo indication. Earphone plug for click free practice and seamless performances 3. VARIOUS BEATS: With a tempo range of 30 to 260 beats per minute, 10 beats including 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and 8 rhythm patterns, metronome function cover all the essential needs for developing rhythm skills in any music genre 4. APPLICABLE SCENARIO: Enjoy high portability and durability for music on the go, whether in the park, yard, or at home. Turn off the beat sound for a full bluetooth portable speaker 5. CHARING METHOD: Bluetooth digital metronome built in large capacity lithium battery, 2 hour charge offers 10 hours of playtime. Include USB Type C cable for convenient charging anywhere and anytime Specification: Item Type: Electronic Metronome Material: ABS Speed Range: 30 ~ 260 Beats per minute Battery: Built in 3.7V 1300mAh lithium battery Beats: 0, 1, 2, 3, 4, 5, 6, 7, 8,9 Metronome Sound: 3 Types. Package List: 1 x Metronome 1 x USB Charging Cable 1 x User Manual