Highlights: Making phone calls Listening to music Answer key(press once) Hang up key(press twice) Play key(press once) Pause key(press once) Power on off key(long press 5 seconds) Bluetooth 5.0 bring faster transmission Compatible with all Bluetooth-enabled devices Product Description: Chip: Realtek-8763b / Airoha (bluetooth V5.0, support double-side phone talking and iphone Siri voice control) Range Distance: 10-15 meters Speaker: built with imported aluminum composite film, 0.3-0.5mW, Frequency response: 20- 20000Hz Battery: Earphone 55mah, charging case 400mAh; Playing time: Single earbud mode: 6h One pair earbuds mode: 5h Standby time: Single earbud mode: 100h One pair earbuds mode: 60h Charging time: earphone 2H, Charging case: 2h Color: Black,   What’s in the box: 2* Mini Bluetooth Earphones 1* Charging Box 1*USB Charging Cable 1* User Manual Weight: 0.3 SKU: 201006150241