• With Bluetooth-compatible 5.3 chip, faster transmission speed, longer transmission distance, stable and anti-interference
• Comfortable to wear, with stereo sound, supports high-definition music
• Low latency, low power consumption, long battery life, stable quality
• Small and compact transparent charging case with LED digital display, unique and stylish

Specification: 

• Model: E90
• BT version: 5.3
• Frequency response: 20Hz-20KHZ
• Sensitivity: -42dB±2dB
• Music time: about 4-5H(80%)
• Headset battery capacity: 30mAh
• Charging bin battery capacity: 250mAh
• Charging interface: Type-C
• Speaker unit: 13mm