Specifications: Speaker Diameter :13mm (1309) 32 Ωsilicone titanium film (measurement curve) ChipsHeadphones JL7003D4(one tow two),ENC Dual Microphone Noise Canceling CompartmentJL7013A6 Headset Battery Capacity:350mAh Headset Battery Capacity:600 mAh effective distanceAccessibility≥ 10-15 meters listening time5 to 6 hours (70 per cent volume) Screen1.83-inch TFT Standby time120 h resolution (of a photo)240*284 Charging time1-2h Features Supported Languages English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Chinese(traditional sweet), Italian, Portuguese, Ukrainian, Persian, Thai, Vietnamese, Hindi, Turkish and many other languages. Package included: 1 x Wireless Bluetooth EarphonesWith TF card insertion and location function 1 x Product Manual 1 x Charging Cable 1 x Charging Case