1、Mahogany resonance chamber and mineral steel keys provide longer sustain and comfortable touch feeling. 2、International standard C tune 17 keys: 1 (D), 2 (B), 3 (G), 4 (E), 5 (C5), 6 (A), 7 (F), 8 (D), 9 (C4), 10 ( E), 11 (G), 12 (B), 13 (D), 14 (F), 15 (A), 16 (C6), 17 (E). 3、Triple sound hole brings crisp and clear sound. You could make creative sound effect with the two sound holes in the back. 4、Built-in pickup and 6.35mm jack for connection to the amplifier, ideal for stage performance. 5、Compact and portable, just grab your kalimba then start your show anytime anywhere. Features: Mahogany resonance chamber and mineral steel keys provide longer sustain and comfortable touch feeling. International standard C tune 17 keys: 1 (D), 2 (B), 3 (G), 4 (E), 5 (C5), 6 (A), 7 (F), 8 (D), 9 (C4), 10 ( E), 11 (G), 12 (B), 13 (D), 14 (F), 15 (A), 16 (C6), 17 (E). Triple sound hole brings crisp and clear sound. You could make creative sound effect with the two sound holes in the back. Built-in pickup and 6.35mm jack for connection to the amplifier,  ideal for stage performance. Compact and portable, just grab your kalimba then start your show anytime anywhere. Specification: Condition: Brand new Material: Mahogany Key: Mineral Steel Color: Natural Style: 17 keys EQ kalimba Size: Approx 138x185x35mm / 5.43x7.28x1.38in Package List: 1 x Kalimba 1 x Tune Hammer 1 x English Song Book 2 x Stickers 1 x Kalimba Bag 1 x Carry Case 1 x 3 Meters Audio Cable 2 x Finger Cover (Random Color) 1 x Wiping Cloth (Random Color) 1 x Musical Scale Sticker Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.