• 【Comfortable Wear】Featuring a C-type ergonomic design paired with soft memory silicone, the Echo R03 achieves a 270° uniform pressure fit around the ear, ensuring comfort even during extended wear without any pressure discomfort.
• 【Superior Sound Quality】Equipped with an 11mm large dynamic driver, these earphones deliver a balanced 3D surround sound effect across high, mid, and low frequencies.
• 【Convenient Control】Touch controls are supported - double tap to play/pause, triple tap on the left earphone for the previous track, and triple tap on the right earphone for the next track.
• 【Private Listening】Utilizing reverse sound wave cancellation technology, these earphones effectively prevent sound leakage, making them ideal for public spaces like subways and offices.
• 【Stable Connection】Upgraded to Bluetooth-compatible 6.0, offering stronger signal penetration, faster connection response, and more stable transmission, enhancing the gaming experience.
• 【Lightweight and Portable】Each earphone weighs only 4.1g, as light as a feather, suitable for all-day use in various scenarios such as sports, commuting, and office work.
• 【Stylish Appearance】Metal coating combined with precision electroplating craftsmanship gives these earphones both aesthetic appeal and quality feel, doubling as a fashion accessory.

Specifications:

• Model: R03
• Material: ABS
• Single Earphone Weight: Approx. 4.1g
• Total Weight: Approx. 44.5g
• Earphone Battery Capacity: 40mAh
• Charging Case Battery Capacity: 300mAh
• Playback Time: 4 hours
• Talk Time: 3 hours
• Earphone Charging Time: 1.5 hours
• Charging Case Charging Time: 1.5 hours
• Bluetooth-compatible Version: 6.0
• Working Frequency Range: 2.402-2.480GHz
• Input: 5V⎓0.2A
• Bluetooth-compatible Name: USAMS-R03
• Driver Diameter: 11mm