B998 Wireless Neckband Headphones Half In-Ear Bluetooth-compatible 5.3 Earphones Noise Cancelling Earbuds with Pluggable

• Bluetooth-compatible 5.3, stable and wide compatibility, 10 meters effective reception range, fast transmission speed, deliver better sound quality
• Thickened TPE earphone wire, more sturdy and durable, not easy to fall during sports
• The second-generation B998 acavity acoustic mechanism cavity + digital sound enhancement technology brings unexpected HiFi level sound quallty
• Ergonomic ear patch design, semi in ear compression freeand comfortable to wear
• Dual noise reduction, 360-degree directional noise reduction technology automatic recognition of human voice and noise, improving clarity
• 230mAh battery capacity, about 24 hours of music play time and 480 hours of standby time

Specifications:

• Bluetooth-compatible version: 5.3
• Receiving distance: within 10 meters
• Battery capacity: 3.7V/230mAh (pluggable)
• Battery specification: 701230
• Working voltage: 3.7V (3.3-4.2V)
• Charging time: 1.5H
• Standby connection time: ≥480H
• Music playback time: ≥24 hours
• Mic sensitivity: -42 ± 3dB
• Horn specification: 32Ω ± 15%
• Working current: ≤8mA (the higher the volume, the higher the current)
• Static current: ≤3uA