Total Solutions for Bluetooth Earphone Business. D&W, owning the top-ranking production lines, specialized in designing and producing leading Bluetooth earphone manufacturers. Stable material supply chain, reduce the cost of both sides. Will provide you the most professional service base on the high-quality product and make a good deal with you.LCBT2. Ergonomic neck hanging design. Skin-friendly silicone material, oil and sweat resistant. Quam CSR8675 flagship Bluetooth chip. SBC/AAC/aptX/aptX LL/aptX HD/LDAC Bluetooth formats supported. AK4331 DAC. 24 hours battery life, 350 hours standby time. Neckband sports Bluetooth cable. 注：产品配图仅供参考，一切以实物为准.D. specialized in the research, development, production, and sales ofuding Bluetooth Earphone, TWS Bluetooth Earphone, Noise Cancelling Bluetooth Headphone, Neckband Bluetooth Headset, Earbuds , Power Bank and Speaker systems. The entire developmental process, from the ...Monthly Output of 100,000 Piece is a professional earphone manufacturer. Our team of over 40 R&D engineers, more than 30 QC team members, and over 500 line workers maintain a monthly production capa of over 100,000 pieces of TWS earbuds, Bluetooth neckband earphones and wired 3.5mm, Type-C earphones.