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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. Bluetooth: Ver 5.3 Frequency spread method: GFSK, π/4 DQPSK Frequency range: 2402MHz-2480MHz Transmission output/communication distance: Class 2/approx. 10m Compatible profiles: HFP, A2DP, AVRCP Impedance: 32Ω 15% S/N ratio: 101.0dB 3dB Built-in battery: Lithium ion polymer battery Battery capacity: 40mAh (earphone)/200mAh (case) Charging time: Approximately 1 and a half hours Number of times that can be charged: Approximately 300 times Continuous use time: Approximately 6 hours Main material: ABS Size: Approx. W2.3 x D2.5 x H1.5cm (earphone) Approx. W5.7 x D2.5 x H4cm (case) Weight: Approx. 4g (one earphone)/Approx. 20g (case) Power source: USB charging (Type-C)/DC5V/1A