Delivering great sound in a foldable, easy-to-carry, comfortable design, the Bluedio Turbine T2s Wireless Bluetooth Headphones is sure to please the most discerning music lover! Bluedio engineers created T2+ Ultra-big speaker with a diameter of up to 2.24 inches to help produce music the way it was meant to be heard: with rich and strong bass and crisp and clear highs. The headphones' Bluetooth 4.1 technology transmits data at a high speed to bring you a smooth music experience free of interruptions, while low power consumption ensures a long batter life of up to 40 hours continuous play time. Finally, a soft foam ear cup and headband covered with soft leather, along with an adjustable headband, means you're likely to forget your wearing the headset. Makes a great gift! Main Features: Bluetooth: V4.1 + EDR High quality materials, lightweight body allows you to wear more comfortable It has built-in high-quality battery Compatible with various brands of Bluetooth phones and Bluetooth notebooks, tablet PCs, MID, etc. Brand: Bluedio Model : Bluedio T2+ Color : Black, White Wearing type : Headband Feature: Wireless Headphone Function : Bluetooth, Microphone, Answering phone Connectivity : Wireless Connecting interface : Micro USB Application : Mobile Phone, Sport Power supply: Built-in rechargeable battery Working time: 45 hours Bluetooth: Yes Bluetooth version: V4.1 Bluetooth mode: Hands free, Headset Array Package weight: 0.588 kg Product size (L x W x H) : 18.6 x 8.5 x 20 cm / 7.3 x 3.3 x 7.8 inches Package contents: 1 x Bluetooth Earphone, 1 x USB Cable, 1 x Audio Cable, 1 x English / Chinese User Manual