Słuchawki douszne M-D8 Bluetooth bezprzewodowe z przewodnictwem kostnym, nie douszne, biznesowe, sportowe, stereo

--Congratulations on finding it-- Advantages, incoming materials, and honest service Mixed batch, sufficient, stable quality, OEM/ODM We specialize in creating a high-quality product chain for our customers, providing comprehensive pre-sales and after-sales services, and offering product images and specifications, Improve high-quality and stable products, place orders in small batches and multiple batches, with no threshold, Welcome merchants, traders, merchants, Taobao, EBYE, etc. to negotiate business and consult Welcome new and old customers to visit and guide factory inspection and quality inspection Bluetooth chip: BK3266 stereo Bluetooth version: 5.0 version Bluetooth distance: approximately 10 meters Battery: 150MAH Charging time: approximately 2 hours Call listening time: about 8 hours Complete set size: 15.8 * 10.8 * 4.5CM Complete set weight: 71G Frequency: 20Hz-20KHz The impedance is 32 ohms Sensitivity 85dB/mW Waterproof grade IPX 5