Specs Stone M2
Chipset AD6976D8
Function ENC and DUAL MICS
Input Voltage DC 5V±0.25V
Bluetooth Profiles a2dp\avrcp\hfp
Bluetooth Version V5.3
Bluetooth audio decoding format AAC/SBC
Pair Name M2
Battery Built-in Li-ion Battery (300mAh) for charging case
Built-in Li-ion Battery (30mAh) for earbuds
Charging time 2 hrs Talk time 3 hrs Stand time 70 hrs Play time 4 hours(at 80% volume)
Speaker Impedance 32O±10%
Driving unit 13 mm
Speaker receiving sensitivity 106+3dB
MIC sensitivity
- 38dB±1dB
Distance 15-20 meters
Frequency 20HZ-20KHZ
Product Net Weight 3.4grams (for single Earbud) 34.2±1grams (for whole unit)
Color white/Black
Case Dimensions 56.7*48.7*48.73mm
Operation mode Touch
Display funtion LED indicator display
Compatibility: Compatible with Apple watch, iPad/Tablet / Samsung / iPhone / iPod/Music Devices / Game Console