Usams UJ29 ODM OEM Earphone Headphones Manufacturer Wireless Over Ear Headset Noise Cancelling Headphone Sport Bluetooth Headset

• audio experience and enjoy more refined and immersive sound quality
• 【Comfortable and Breathable Earmuffs】Equipped with protein leather ear cushions, providing exceptional comfort and breathability for extended listening sessions
• 【40-Hour Long Battery Life】Delivers up to 40 hours of continuous music playback on a single charge, ensuring uninterrupted listening wherever you go
• 【Bluetooth 5.3 for Stable Connectivity】Utilizes advanced Bluetooth 5.3 technology for a fast, stable connection with minimal signal loss, even in challenging environments
• 【Rotatable and Foldable Design】Designed for portability, the headphones feature a folding and rotating mechanism, making them easy to store and carry on the go

Specifications:

• Bluetooth version: 5.3
• Material: PC+steel+leather
• Working frequency: 2.405GHz~2.480GHZ
• Automatic shutdown time: after 10 minutes
• Speaker unit: 40mm
• Sensitivity: 98±3DB
• Input: DC 5V-330mAC
• Play time: about 40 hours
• Dimensions: 195*180*75mm
• Receiving distance: within 10 meters
• Transmission power: 10dB
• Battery capacity: 400mAh
• Speaker impedance: 32Ω+15%
• Frequency response range: 20~20KHz
• Charging time: 2~3 hours
• Weight: about 209g