Neodymium Drivers - Large 13.5mm neodymium drivers provide crisp, natural audio with a wide frequency response Remote Designed for Apple Products - Cable provides plenty of slack and has an inline mic and remote that allow you to make phone calls, take voice notes, and control music playback on compatible MP3 players and smartphones, such as the iPhone and iPod touch Sweat and Water Resistant - Sweat and water resistant, ideal for sports and workouts

◆ TYPE: Dynamic type / ◆ Reproduction frequency band: 20 Hz to 20,000 Hz / ◆ Communication method: Bluetooth® standard standard Ver. 4.2 / ◆ Output: Bluetooth® standard Power Class 2 / ◆ Maximum communication distance: about 10 m / ◆ Profile: A2DP / AVRCP / HFP / HSP / ◆ Corresponding codec: SBC / ◆ Corresponding content protection: SCMS-T method ◆ Power source: DC 3.7 V (built-in lithium polymer rechargeable battery) / ◆ Charging method: USB charging / ◆ Battery duration: ● Earphone: about 3 hours / ● Charging case: about 6 hours (depending on usage conditions) / ◆ charging time: ● Earphone: about 2 hours / ● Charging case: about 3 hours ◆ Mass: ● Earphone: about 6.5 g × 2 pieces / ● Charging case: about 35 g