H215

These 'on-the-ear' earphones are David's Formula's flagship design, an all-exclusive “Comfortable Wearing” technology.

The clips:
The R&D team of David’s Formula has devoted many years of effort into angle testing and calibration, and have successfully developed precision forged white steel clips which are flexible and patented. They form a perfect curve running down from the auricle, looping down to fit tightly and comfortably. Furthermore, they distribute the weight of the earphones evenly, offering additional comfort and a natural look with zero discomfort burden.

A perfect demonstration of ergonomic design.

H251

These 'on-the-ear' earphones are David's Formula's flagship design, an all-exclusive “Comfortable Wearing” technology.

The clips:
The R&D team of David’s Formula has devoted many years of effort into angle testing and calibration, and have successfully developed precision forged white steel clips which are flexible and patented. They form a perfect curve running down from the auricle, looping down to fit tightly and comfortably. Furthermore, they distribute the weight of the earphones evenly, offering additional comfort and a natural look with zero discomfort burden.

A perfect demonstration of ergonomic design.

H301

These 'on-the-ear' earphones are David's Formula's flagship design, an all-exclusive “Comfortable Wearing” technology.

The clips:
The R&D team of David’s Formula has devoted many years of effort into angle testing and calibration, and have successfully developed precision forged white steel clips which are flexible and patented. They form a perfect curve running down from the auricle, looping down to fit tightly and comfortably. Furthermore, they distribute the weight of the earphones evenly, offering additional comfort and a natural look with zero discomfort burden.

A perfect demonstration of ergonomic design.

B130

The structural engineers of David’s Formula have developed small and delicate in-ear headphones through sophisticated arrangement of structures, meeting consumers’ needs for portable convenience. The inner structure of our earphones are minimized without compromising sound performance in terms of range and depth, while the 10O diameter embodies incomparable power, giving a deep bass sound and clear high notes. Combined with latex ear plugs, these earphones keep out the loud roars of urban living, allowing your ears to take in a free flow of musical notes. David’s Formula in-ear earphones strike a perfect balance between fashionable design and sophisticated sound performance

B131

The structural engineers of David’s Formula have developed small and delicate in-ear headphones through sophisticated arrangement of structures, meeting consumers’ needs for portable convenience. The inner structure of our earphones are minimized without compromising sound performance in terms of range and depth, while the 10O diameter embodies incomparable power, giving a deep bass sound and clear high notes. Combined with latex ear plugs, these earphones keep out the loud roars of urban living, allowing your ears to take in a free flow of musical notes. David’s Formula in-ear earphones strike a perfect balance between fashionable design and sophisticated sound performance.