Search query: piano keyboard with weighted keys

Product: Costzon BX-II 88-Key Portable Touch Sensitive Digital Piano, Upgraded Electric Keyboard with MIDI/USB Keyboard, Bluetooth, Dynamics Adjustment, Sustain Pedal, Power Supply, and Black Handbag (Black)
Brand: Costzon
Color: Black
Relevance: Substitute
Description:
The BX-II 88-key digital piano keyboard will be a perfect musical instrument whether for beginners or intermediate users. Teaching function helps user to learn demos easily. Including protection function, MIDI function and recording function, the digital piano will provide better playing experience. Touch sensitive keys can not only offer superior finger touch but also make the piano be played with more power. Besides, thanks to 2 external speakers, you will hear louder stereo sound. Coming with a carrying case, the keyboard with portable design enable you to carry it anywhere easily.

Features:
BX-II piano keyboard features better performance
128 Rhythms, 128 tones and 20 demos for multiple options
MIDI interface allows connecting different smart devices
88 Keys with ultra-thickness and perfect pressing depth are finger-friendly
2 External speakers ensure louder sound and enhance stereo effect
Touch sensitive keys helps you to play more attractive piece
Digital tube display the currently used functionality
Long battery life up to 12 hours after 4 hours charging
Secure material and ASTM certification guarantee reliable usage
Waterproof carrying case is convenient for storing and carrying keyboard
The keyboard will automatically reset when battery voltage below 3.5 V

Specification:
Color: Black
Keyboard Material: ABS, Aluminum Alloy
Case Material: Oxford Cloth
Keyboard Dimension: 50"X8.4"X2.5" (LXWXH)
Case Dimension: 50.5"X3.5"X9" (LXWXH)
Output Power of Piano: 500 MV
Input Power of Charger: 110 V
Charging Time: 4 h
Playing Time: 12 h
Net Weight: 15 lbs
Suitable Age: 3+

Package Includes:
1 X 88-Key Digital Piano
1 X Case
1 X Charger
1 X Sustain Pedal
1 X User Manual
Touch Sensitive Keys: The digital piano features 88 fully touch sensitive keys (exquisitely according to 1:1 piano key ratio ) and is heavier in the low end and lighter in the high end, which can give you the feel of an acoustic piano and provide a wonderful playing experience! Touch sensitive keys is easy to implement when you long press the transpose+ button. Thus, different dynamics will present unique piano piece.
Multiple Connections & Functions: MIDI/USB interface makes it possible to connect computer and other intelligent devices to obtain better training experience. 128 Rhythms, 128 tones and 20 demos allow you to learn popular songs and practice your chords. You can also use Bluetooth to connect smart phone for more lessons.
Full Size Touch Sensitive Keys for Soft Finger Touch: Full size touch sensitive keys crafted exquisitely according to 1:1 piano key ratio, provide comfortable finger touch and make better sound. The volume will change depending on how hard you play.Engineered from durable ABS material, smooth keys will prevent skidding during playing time and avoid fading to keep long-lasting gloss.
Safe Material & Longer Playing Time: Premium aluminum alloy ensures reliable structure for prolonged service time. ASTM certification certifies adequate security of frequent usage. After charging 4 hours through power bank, computer USB or power strip, the keyboard can keep 12 hours battery life.
Portable Carrying Case Facilitates Storing: Big carrying case is convenient to store keyboard so that you can take keyboard anywhere and play anytime at will. Waterproof as well as heavy-duty oxford cloth will protect digital piano safely. Meanwhile, portable hand belt and strap will help you carry the bag more conveniently.