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STONE M1 TWS Specification

Chipset AD6976D
Input Voltage DC 5V±0.25V
Bluetooth Profiles a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap\g
att\rfcomm\sdp\l2cap
Bluetooth Version V5.3
Bluetooth audio decoding format AAC/SBC
Battery Built-in Li-ion Battery (300mAh) for charging case
Built-in Li-ion Battery (40mAh) for earbuds
Charging time 1.5 hrs
Talk time 5 hrs
Stand time 300 hrs
Play time 8 hours(at 60% volume)
Speaker Impedance 32Ω±15%
Driving unit 10 mm
Speaker receiving sensitivity 108+3dB
MIC sensitivity 38dB±1dB
Distance 10 meters
Frequency 20HZ-20KHZ
Product Net Weight 3.4grams (for single Earbud)
36.5±1grams (for whole unit)
Total Weight 46.1±1grams (whole unit+USB cable)
Color white/Black/Pink
Case Dimensions 62.93×46.39×25.94mm
Operation mode Touch
Display funtion LED indicator display
Compatibility: Compatible with Apple watch, iPad/Tablet / Samsung / iPhone / iPod/Music Devices / Game Console

Weight .3 kg
Dimensions 50 × 50 × 30 cm

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