피아톤에서 완전 무선 이어폰이 나오는군요.

https://phiaton.com/product/bt-700/

재미난 것은 저기 충전케이스가 블루투스 스피커 기능까지 한다는 겁니다. 개인적으로는 아주 재미있는 아이디어인 것 같습니다.

홈페이지에서 공개한 스펙은 다음과 같습니다.

• Communication Network: Bluetooth 5.0
• Driver unit: Balanced Armature
• Impedance: 40 Ohm
• Sensitivity: 102 dB/mW
• Driver Unit Frequency Response: 20 Hz ~ 20 KHz
• Max. Input Power: 40 mW
• Operating Range: Within 10 m / 33 ft.
• Call Time: 5 hrs Max.
• Music Play Time: 5 hrs Max.
• Standby Time: 94 hrs Max.
• Full Charge Time: 2 hrs (2.5 hrs including Charging Speaker Case)
• Fast Charging: Support 10 min. Charging= 1 hr Playing
• Audio Codec: SBC, AAC
• Operating Frequency: 2.4  GHz(2.402 GHz - 2.480 GHz)
• Earbud Weight: 6.5 g

Charging Speaker Case:

• Input Power: DC 5 V / over 1 A
• Battery: Lithium Ion, DC 3.7 / 750 mAh
• Full Charging Time including Earphones: 2.5 hrs
• Number of  'BOLT' charging with 'Charging Speaker Case': 3 times (4 X 5 hrs + 20 hrs with fully charged earbuds)
• Speaker Output: 3W Max.
• Music Play Time via Bolt & Speaker: 8 hrs Max.
• Standby Time(BT OFF): 220 hrs Max.
• FDimensions(L x W x H):  3.70 X 1.45 X 1.41 in
• Weight with BOLT Earphones': 93 g / 0.21 lb
• Operating Temperature: 20 ~ 45 °C / -4 ~ 113 °F

What's in the Box:

• BOLT BT 700 Earphones
• 4 x Sets of Silicon Ear Tips (XS, S, M, L)
• USB Charging Cable
• Warranty Card
• Quick Guide (Including 1-Year Warranty)