Search query: piano keyboard with weighted keys

Product: Costzon 61-Key Portable Digital Piano, Upgraded Premium Electric Keyboard W/ 128 Rhythm, 128 Tone, Sustain Pedal, MIDI/USB Interface, Power Supply, Bluetooth Function (Black)
Brand: Costzon
Color: Black
Relevance: Substitute
Description:
The upgraded 61-key digital piano keyboard with portable carrying case will be a perfect musical instrument whether for beginners or intermediate users. The most important improvement is the knocking force key function switch by long pressing transpose+ button. And comparable with PVC panel, the silicon panel will effectively avoid hidden malfunction. In addition, external sound will present louder sound than built-in one which enhances outstanding acoustics. Teaching function helps user to learn demos easily and bluetooth function is convenient for user to follow playing with music. Additional features including protection function, MIC function, MP3 function, recording function, drum kit and chord will provide better playing experience.

Features:
128 Rhythms, 128 tones and 20 demos
MIDI interface allows connecting different smart devices
Bluetooth function facilitates following playing with music
Can connect headphones, to create quiet playing environment
Silicon panel equipped with buttons is more safe and reliable
Can be charged through power bank, computer USB or power strip
Long battery life up to 12 hours after 4 hours charging
Waterproof carrying case is convenient for carrying keyboard
Suitable for all ages, a perfect Christmas gift for kids and friends
The keyboard will automatically reset when battery voltage below 3.5 V

Specifications:
Color: Black
Keyboard Material: ABS, Aluminum Alloy
Case Material: Oxford Cloth
Keyboard Dimension: 34.5"X7"X2.5" (L X W X H)
Case Dimension: 35.5"X7.5"X3" (LXWXH)
Output Power of Piano: 500 MV
Input Power of Charger: 110 V
Charging Time: 4 h
Playing Time: 12 h
Net Weight: 8 lbs
Suitable Age: 3+

Package Includes:
1 X 61-Key Digital Piano
1 X Case
1 X Charger
1 X Sustain Pedal
1 X User Manual
Rich Interface & Various Button: MIDI function allows you to connect computer, smart phone and other intelligent devices to obtain better piano training experience. 128 Rhythms, 128 tones and 20 demos makes playing more fascinating. Moreover, chord, transpose, metronome, drum kit and recording buttons satisfy different playing requirements.
Upgraded Sound : Compared with previous electric piano keyboard, the upgraded one increases knocking force key function switch function, which can easily come true through long pressing the transpose+ button.. Thus, different dynamics will present unique piano piece. And designed with external sound, the digital keyboard will make tremendous sound.
Full Size Knocking Force Keys for Soft Finger Touch: Full size knocking force keys crafted according to 1:1 piano key ratio, provide comfortable finger touch and make for similar depth in keys.The volume will change depending on how hard you play. Made from durable ABS material, smooth keys will prevent skidding during playing time and avoid fading to keep long-lasting high gloss.
Safe Material & Longer Playing Time: Premium aluminum alloy ensures reliable structure for prolonged service time. Silicone panel reduces risk of appearing potential damage. 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 waterproof 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 facilitate carrying effectively.