Particularities: Product weight: 3 g (single headphone). Whole machine: 33g Working time: 2-3 hours. Standby time: 100 / h for one ear and 60 / h for both ears. Charging time: 1-1.5 hours. Battery capacity of a single headphone: 25mAh. Wireless distance: 10m. Compatible Cell Phones: Headphones are compatible with Android, IOS, Microsoft etc., 100% of cell phones with BT. Communication distance: 10m (obstacle free) Package list: 1 * A pair of BT headsets 1 * charging box 1 * charging cable 1 * user manual i12 TWS BT Headphones BT 5.0 Touch Popup Headset HiFi Sound Headphones Sport Business Headphones Handsfree With Microphone For iPhone Huawei Samsung Phone Characteristics: Mini portable size, just put in your pocket BT V5.0 technology offers fast and stable signal and data transmission. Sensitive touch control for answering machine, song change. Deep noise suppression, high-cleary microphone, HD calling Large battery capacity, lasting music enjoyment Operation: 1. After a short touch to play music (pause) / answer calls. 2. Double-click on the left (right) headphones to increase (decrease) the volume. 3. Three short touches for the left (right) headphones for the next (last) piece of music. 4. Remove the housing to switch on and reinsert it into the housing to switch off. 5.3s Long touch to wake up Siri.