• 【Deep Physical Noise Reduction】Built-in acoustic noise reduction structure provides 42-50dB deep noise cancellation, effectively blocking snoring, traffic noise, and environmental sounds.

• 【Side Sleep Comfort Design】Ergonomic ear hook and in-ear dual design with soft silicone ear tips that fit snugly in the ear canal, comfortable for side sleeping without ear pressure or pain during extended wear.

• 【Medical-Grade Skin-Friendly Materials】Premium eco-friendly polyurethane (PU) and silicone materials with delicate soft touch and good breathability, effectively preventing ear canal swelling and otitis media.

• 【HD Stereo Sound Quality】Equipped with high-performance chip and high-fidelity stereo units, supporting Bluetooth-compatible 6.1 high-speed transmission for clear lossless music and call experience.

• 【Smart Battery Display】Charging case features high-precision LED digital display screen showing real-time battery percentage for left and right earbuds, eliminating guesswork for battery status.

Specifications:

• Model: YYK-Q81
• Material: Polyurethane (PU), Silicone
• Bluetooth-compatible Version: 6.1
• Earphone Type/Wearing Method: In-ear with Ear Hook
• Control Mode: Touch Control
• Charging Input Voltage: 4.8-5.2V
• Battery Saturation Voltage: 4.15V-4.2V
• Earphone Charging Time: Approximately 1.5 hours
• Low Battery Alert Voltage: 3.4V
• Low Battery Shutdown Voltage: 3.2V
• Shutdown Static Current: ≤12uA
• Connection Standby Current: ≤0.6mA
• Talk Current: ≤16mA
• Music Playback Current: ≤16mA
• Talk Time: Approximately 3.5 hours (maximum volume)
• Music Playback Time: Approximately 3.5 hours (maximum volume)
• Standby Time: Approximately 90 hours after device connection
• Battery Capacity: Earphone 25mAh, Charging Case 200mAh
• Charging Case Charging Time: Approximately 1 hour
• Charging Voltage: 5V
• Charging Case Static Current: ≤30uA
• Charging Current: ≤350mA
• Earphone Charging Cycles: Approximately 2.5 times
• Noise Reduction: 42-50dB