Nouveau casque stéréo transfrontalier Bluetooth K520 avec une autonomie ultra-longue, un indicateur de batterie numérique en forme de cœur et une haute qualité sonore.

Tax will be added to the invoice, please consult customer service for details! Shenzhen Xinlianke Electronics Co., Ltd. specializes in the integrated production and research and development of Bluetooth products. The factory has a production area of 2000 square meters and three formal production lines Independent research and design to mold creation, welcome cross-border e-commerce and domestic platform e-commerce clients to inquire, visit the factory for guidance, and obtain samples. Quality Assurance: Mature and well-established headphone production processes, strict sound quality control standards, contribute to the excellent quality of our headphones! We sincerely invite agents from all over the world, cross-border e-commerce partners, and franchisees to collaborate. We have a large inventory of products and support OEM and ODM custom orders! Product Specifications Product Name: Wireless Dual-Ear Bluetooth Headphones Call duration: 3 Model: k520 Charging time: 1.5 Bluetooth Version: V5.3 Microphone sensitivity: -423dB Battery type: Polymer lithium battery Bluetooth protocol: Supports Headset handsfree A2SP AVRCP Transmission frequency: 2.4GHz (2402-2.4080GHz) Speaker impedance: 3215% Working distance: 10m Microphone sensitivity: -423dB Headphone battery: 40 mAh Microphone impedance: 2.2k Charging case battery: V3.7 300 mAh Standard colors: black, white, pink Playing time: 3.5 Headphone net weight: 50g Product Features: Supports making calls, playing music, adjusting volume, and switching between tracks.