LilGadgets Untangled Pro Children’s Wireless Bluetooth Headphones – Green – UNTANGLED PRO. Recommended for ages 4+. Receiver range: approximately 30 ft. Battery life: 12 hours in use | 180 hours standby | WERCS certified. Includes 4 ft premium nylon braided 3.5 mm audio cable with inline microphone DESIGNED FOR SHARING – THE SHAREPORT – Our beloved Share Port feature allows multiple headphones to be connected to one device, no splitters or special cables needed. SoftTouch material allows for rugged durability, a delicate feel and comfortable fit. Studio-grade 40 mm drivers render sound more clearly, enabling lower volume levels. Polycarbonates designed for strength and ability to maintain lustre over time. Industrial-grade stainless steel retains shape and provides high wear and fatigue resistance. SAFETY FIRST – All of our headphones and earphones are volume limited to 93 dB.