Video The Bluedio headset will allow you to stream music from your smartphone or tablet via bluetooth connection. The Bluedio supports a microSD card for an extension of storage space for all your songs The new desing of the ear cushions on the Bluedio headset will enable you to listen to music for a longer period of time in total comfort. BLUEDIO T2+ Bluetooth V4.1 Headphone Rotatable Wireless Earphone Name BLUEDIO T2+ Foldable Bluetooth Headphone w/ Mic. Support SD Card & FM Radio Model BLUEDIO T2+ Wearing Styles Headband Bluetooth Version V4.1 + EDR Bluetooth Operating Range Up to 10m (Free Space) Profiles A2DP, AVRCP, T2+SP, T2+FP Drivers F57mm Impedance 16ohms SPL 118dB Sound Channel Two-channel (Stereo) Frequency Response 20~20KHz THD <0.1% Standby Time Up to 1625Hours Bluetooth Music Time 40 Hours Talk Time 45 Hours Charging Time 2 Hours for Full Charging Interfaces 3.5mm,Micro USB Support for TF Memory Card(Max 32GB) Headset Dimensions 186 x 85 x 200mm Package Dimensions 200 x 170 x 85mm Power Supply Micro USB Product Weight 228g Package Weight 530g Package Contents 1 x BLUEDIO T2+ Bluetooth V4.1 Wireless Headphone 1 x USB Cable 1 x Audio Cable 1 x User Manual 1 x Retail Box