• Comfortable to wear: suitable for right ear, ear-hanging design, more comfortable and stable to wear, not easy to fall off when riding, running and fitness
• 13mm super large speaker: brings immersive music experience, shocking sound quality
• Long battery life: can talk continuously for about 18 hours, and can communicate easily with colleagues while talking
• 5.3 Bluetooth-compatible connection: longer working distance, fast and stable connection
• Sensitive touch: convenient touch design, easy to operate

Specifications:

• Model: U4A
• Bluetooth-compatible version: 5.3
• Battery capacity: 110mAh
• Wireless frequency band: 2.402-2.480GHZ
• Sensitivity: 102DB±4DB (AT 1KHZ)
• Communication distance: >10M (no obstacles)