YOBYBO Card20 Pro Metal Bluetooth Earbuds – Ultra-Thin Design, Qualcomm Chip, Open-Back Architecture, High-End Premium Sound
1 · The metal charging case is precision-machined using CNC technology, offering superior material performance. The overall thickness of each earbud is only 14 mm. The earbuds feature our patented seamless design, and the open design of the case allows you to monitor the status of the earbuds at any time.
2 · Powered by the Qualcomm QCC3040 chip with Bluetooth 5.2, latency is significantly reduced. The earbuds also support Qualcomm aptX technology, delivering a high-quality, lossless HD audio experience.
3 · Winner of the Red Dot Award, IF Design Award, and CES Innovation Award, these earbuds showcase exceptional design aesthetics, backed by an independent design and development team.
4 · Equipped with dual microphones and CVC 8.0 noise reduction technology, ambient noise is effectively minimized during calls, making these earbuds an ideal choice for office or conference calls.
5 · Ultra-long battery life: up to 5.5 hours of playback on a single charge for each earbud, and up to 28 hours when using the charging case.
Out Of Production

Classic that can't be exceed
Open a new era of thin earphone, the thickness of the whole machine is only 14mm

Design Award Product
Super long battery life
Qualcomm chip aptX lossless decoding
Hollow design
The world's thinnest earbuds

The Grand Slam of Design
It is the first to create the world's thinnest card-type earplugs and has successfully won the Red Dot Award, the IF Award, the Red Star Award, and the CES Recommendation Award for its innovative shape, high-end materials, and craftsmanship.

Why is it designed this way?
1)The world's thinnest card-style design allows CARD20 to fit into a pocket or wallet easily;
2)The hollowed-out structure allows you to keep an eye on the internal condition of the earbuds to prevent loss; 3)The whole body is made of precision alloy metal, which has been ground and polished many times. The unique patented invisible shaft technology makes the whole machine integrated;


A powerful chip under a slim appearance
Using Qualcomm 3040 chip, the transmission performance is greatly improved,the delay is reduced, and the music is smoother.
Near CD-level sound quality restoration, new high-definition audio decoding technology support for aptX, and aptX adaptive can provide higher transmission speed and more fidelity data information.


Noise reduction for calls
CVC8.0 is Qualcomm unique smart call noise reduction ENC technology solution, which makes your call sound more clear and natural
Unbelievable battery life
The buds can last up to 5 hours in a single time, and the cumulative battery life is 30 hours.You can listen to music for 2 hours on a 15-minute charge.
≥5h
Bud battery life
35mAh*2
Bud battery
≥30h
Total battery life
300mAh
Charging compartment battery

Brilliant colors
Card20 Pro has strict control over the craftsmanship. Among them, the four colors launched are loved by many consumers.
Chipset:Qualcomm3040/ENC
BT version:5.2
Speaker:13MM
Earbud battery:35mAh Coin Battery
Case battery:300mAh
Working time:5h
Waterproof level :IPX4
Case size:84*34*14mm
Earbud size:29*16*14mm
Color:Brown/Silver/Black/Green

