Driver: 40 mm Cord: wireless Input: 3.5mm jack

BEST WIRELESS HEADPHONES FOR KIDS: BuddyPhones WAVE are the safe, comfortable and durable Bluetooth headphones you have been waiting for. The incredible 24-hour battery life allows for up to 10 days of use without charging (2-3 hours/day). They feature an adjustable headband so that they can grow with your child and soft hypo-allergenic cushions make them super comfortable for years to come. Works with all Bluetooth enabled devices such as iPads, iPhones, Amazon Kindle, car DVD players & more. SAFE LISTENING: The WAVE Bluetooth over the ear headphones feature volume limiting control to ensure that your child's ears are protected from loud noise. Set the volume level to a maximum of 75 dB for toddlers, 85 dB for kids, or to 94 dB when in noisy environments such as airplanes. Now all girls and boys can enjoy their favorite content without endangering their hearing. Also features the new StudyMode which uses proprietary technology to optimize vocal clarity & enhance speech at 94 dB max. DURABLE & WATERPROOF: BuddyPhones WAVE were specifically designed for toddlers and children age 3 and older. They are extremely durable and feature an IP67 spill/waterproof rating that allows them to withstand daily heavy usage. Children can safely use them in the car, pool, on the beach, at school, on airplanes and every day at home. Our Bluetooth headphones are made for travel. Each pair of headphones is foldable and comes with a travel bag and name tag stickers.