YYK-520 Second Generation Bluetooth Upgraded Version 5.0 Ear-hook Long Standby Sports Wireless Business Headset

--Congratulations on finding the source manufacturer-- Factory direct sales, price advantage, processing with supplied materials, first-hand supply, honest service Supports mixed batch orders, available in stock, ample inventory, stable quality, supports OEM/ODM Our factory specializes in creating high-quality product supply chains for cross-border e-commerce customers, providing comprehensive pre-sales and after-sales services, and providing product images and specifications Provide high-quality and stable products, support small-batch and multi-batch orders, and offer retail distribution without any threshold We welcome wholesalers, traders, retailers, Taobao, Tmall, , , , etc. to discuss business and explore cooperation! We welcome new and existing customers to visit us for guidance, factory inspection, and product inspection! YYK-520 Second Generation Product Information Box dimensions: 31.5*29*42.5CM, 16.5KG, 100 pieces 1. Headphone specifications Bluetooth version: V5.0+EDR Wireless frequency: 2.4GHz Supported protocols: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Transmission distance: 10m Battery capacity: 50mAh Charging Voltage/Current: 5V/1A Playtime/Call Time: Approximately 4 hours Charging time: approximately 1 hour Standby time: 120 hours Speaker impedance: 8MM 32 Microphone sensitivity: -42Db Operating temperature: -10 to 50℃ 2. Charging Case Parameters Input Voltage/Current: 5V/1A Battery capacity: 400mAh Gross weight: 146g Net weight: 74.5g 3. Packaging dimensions: 145*81*25mm 4. Product List Earphones*1, charging case*1, charging cable*1, manual*1, ear tips*2