Multifunctional digital display bluetooth headset X16 $ 28.53 Model: X16 1. Bluetooth Version: V5.0 2.Speaker: 6mm/16 Hi-Fi SPEAKER 3. Support system (support system): IOS/ANDROID/WINDOWS 4. Standby time (standby time): 200H 5. Battery (battery): headset battery/60mAh, charging compartment battery/3000mAh