Uiisii R03 Wireless Heavy Bass Neckband HD Sound Qualtiy

The Uiisii R03 Wireless Heavy Bass Neckband is designed for music, voice calls, workouts, and everyday use. Featuring Bluetooth 5.0 connectivity, 10 mm dynamic drivers, HD voice calling, and a lightweight neckband design, it delivers clear sound, deep bass, and long-lasting comfort throughout the day.

Key Features:

• Bluetooth 5.0 for fast and stable wireless connectivity

• 10 mm dynamic drivers for deep bass and clear sound

• HD microphone for clear hands-free voice calls

• Up to 8–10 hours of music playback

• Up to 7 hours of talk time

• Fully charges in approximately 2 hours

• Lightweight and ergonomic neckband design

• Flexible construction for comfortable all-day wear

• Noise reduction for improved audio quality

• IPX5 sweat-resistant design suitable for workouts

• In-line multifunction buttons for easy control of music, calls, and volume

• Item	Uiisii R03 Wireless Heavy Bass Neckband
  Model	✅ Uiisii R03
  Brand	UiiSii
  Headphone Type	Neckband
  Connectivity	Bluetooth
  Bluetooth Version	5.0
  Bluetooth Distance	10-meter range
  Bluetooth Protocol	Bluetooth 5.0
  Impedance	32 Ohm
  Sensitivity	102 ±3dB
  Frequency	20Hz-20kHz
  Driver Unit	10mm dynamic
  Cable Length	USB
  Battery Capacity	12 hours
  Talk Time	7 hours
  Audio Play Time	8-10 hour
  Charging Time	2 hours
  Charging Interface	Micro USB
  Charging Voltage	DC 5V
  Working Voltage	3.7V
  Material	ABS plastic
  Waterproof Level	IPX5

• Function
  • Noise Cancelling
  • Microphone
  • Wireless Charging
  • Active Noise-Cancellation
  • Vocalism Principle: Hybrid technology