On March 7, it was reported that the Japanese operator Willcom announced the Phone Strap 2 WX06A, which is known as the "smallest and lightest mobile phone in the world." The prototype of the Phone Strap 2 mobile phone is Phone Strap. In comparison, the size of the Phone Strap 2 is only 32 × 70 × 10.7mm, and the weight is only 32g.