Brand : KUULAA Colors : Black Bluetooth name : HMB-12 Charging bin size : 69mm*31mm*33mm Bluetooth version : V5.0 Communication distance : 10M Standby time : 120H Battery capacity : 50mAh / Charging bin 500mAh Frequency response range : 20Hz-20KHz Charging time : 1H / Charging warehouse for 1H Speaker sensitivity : 101db@1KHz Single earpone weight : 5g Total weight :39g Headphone size : 29mm*16mm*22mm

Product Features: 1. Bluetooth V5.0, support most of bluetooth devices and lower power consumption 2. 400mAh charging case can full charge 2 earphones around 5 times, offer more music time. 3. 8mms dual drive units, enjoy 6D strong deep bass music sound 4. Popular one button control function, support switch songs, phone call and call voice assiatant. 5. Talk time: 3-4H (full power single use) 6. Music playback time: 3-4H (full charge single use)

Accessories Lists: 2* Bluetooth Earphones 1* Charging Case 1* User Manual 1* USB Cable

Product type: Wireless Earphones