Specifications The headset can be used as a BT headset, a TF card music player or a wired headset. It adopts BT 5.0, which provides fast and stable connection. It has long standby time of 150 hours. Devices like phones, PC, tablets with BT function are compatible with it. With HiFi sound, you can make clear phone calls. Item Name: Wireless Headset Material: ABS BT Version: 5.0 Model: P68 Battery Capacity: 500mAh (Included) Playing Time: 5 Hours Standby Time: 150 Hours Transmission Space: 10m (Barrier Free) Modes Changing: BT/Radio/TF Card (Not Included)/3.5mm Audio Cable Connection (Not Included) Features: Wireless, Long Standby Time, Large Compatibility, Rechargeable Size: 17.5cm x 15cm x 67cm/6.89" x 5.91" x 2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. When the headset is connected to the computer, in order to protect your hearing, please turn the computer volume to mute first, and then gradually increase the computer volume according to your own hearing conditions. Package Includes: 1 x Wireless Headset 1 x Charging Cable 1 x User Manual