Bluedio Hurricane H+ Bluetooth 4.1 Wireless Stereo Headset Microphone Music FM Type: Bluetooth Headset Talk Time: up to 15 hours;; Music Time: MP3 play time: up to 15 hours;FM play time: up to 15 hours Standby Time: up to 1625 hours Charge Time: about 2 hours Operating Range: up to 10m (free space) Bluetooth Version: V4.1 Specifications: Frequency range: 2.4GHz-2.48GHz