Factory M51 Mini Invisible Sleep Earphones
Ultra-lightweight ergonomic design ensures all-day comfort, ideal for side sleepers and active lifestyles. Premium silicone material with nano-coating provides hypoallergenic softness and IPX5 waterproof protection. Advanced Bluetooth 5.3 delivers seamless connectivity with 15m range, paired with dual-mic ENC for crystal-clear calls. Custom 10mm dynamic drivers enhance bass while reducing ambient noise by 25dB. Perfect for sleep, gym, travel, or work—discreet fit stays secure during intense movement. Includes 40hrs total playtime (6hrs+34hrs case) and USB-C fast charging. Matte finish resists scratches for long-term durability. Wholesale-ready with bulk pricing—direct factory quality at unbeatable global rates.