Model: F9-5Color: BlackBT version: V5.3Support: IOS , Android, Microsof and and Other BT-enabled deviceMusic time: Max. 4-5 hours, equipped with binPhone talking time: 5-6 hours, equipped with bintime: 1-2hoursStandby Time: 100hrsTransmission Distance:10mWorking Temperature: 10-50℃Frequency response range: 20-20000HzHeadphone battery capacity: 50mAh / singlebox battery capacity: 2000mAhPackage Size: Approx. 14*10*4cmPackage Weight: Approx.160g1, 8D surround sound, 5.1 dual-ear chip, large capacity, true wireless Bluetooth headset2, Graphene bass diaphragm, HIFI high-frequency technology, 10MM dynamic speaker unit3, Two connection methods: single / double free to use, single ear listening to enjoy alone, listening to HiFi stereo in both ears.4, 5.1 automatic boot pairing, built-in active noise reduction IC, HD call.5, 5.1 Bluetooth game without delay, the electric cabin can be used as a mobile phone bracket mobile phone emergency power supply, multi-function use.Features: 1.LED COLD LIGHT:Rechargeable battery dual ear machine, the percentage is clearyual amount of electric power in the palm of the hand. 2.SELF-LIGHTING:When the opening ofthe association wasunsatisfactory, theighting was changedduring the course ofuse.3.ACOUSTIC ENGINEERING:The dual-frequency frequency division independent unit producessound, which makes the bass thick and powerful, the treble is clear andclear. the sound is clear and delicate. and the sound level is rich. 4.DUAL HEADPHONES:Dual headphones can be connectedat the same timeSame phone. 5.IPX7 WATERPROOF:The ergonomic design makes easy to fit the ear canel, witn aearlap, and it is-cble to wear for a long time. Description: 1.Turn on Bluetooth and quickly connect your IOS or Android deviceSupport mobile phones, pads, notebooks, etc.2.The headset adopts Bluetooth 5.1 new technology solution, ultra-lowpower consumption, long battery life, strong stability, and supportsmainstream music software for lossless playback.