Specifications: 

Model: MTW300

Driver: 6mm dynamic driver, with carbon nanotube diaphragm 

Bluetooth chip: Qualcomm QCC3040, Bluetooth 5.2 

Bluetooth codecs: aptX / AAC / SBC 

Battery life: Up to 35 hours (10 + 25) 

Touch controls: volume controls, Play/Pause, Previous/Next 

Dual microphone: With 8.0 CVC noise reduction for cleaner calls 

Weight: 4.8g per earphone. 89g charging case 

Waterproof: Earphones rated at IPX7

Earphone size/weight: 23.1*17.2*22mm/4.8g

charging case size/weight: 56*30* 56mm/89.5g

Total weight: 99.1g

Battery life:

Continuous playback: Up to 10 hours

Earphone With charging case: Up to 35 hours

Charging time:

Earphones: 1.5 hours

charging case: 1.5 hours

Input: DC 5V 1A

Bluetooth:

Maximum distance: 10 meters

Bluetooth version: Bluetooth 5.2

Bluetooth codec: aptX/ AAC / SBC

Bluetooth protocol: HSP/HFP/A2DP/AVRCP/SPP/PBAP

Features:

- Same ergonomic shell and comfortable fit as MTW100. 

- Upgraded to the Qualcomm QCC3040 Bluetooth 5.2 chips for better wireless performance.

- Added support of aptX codec for improved audio quality. 

- Advanced Qualcomm technology for cleaner calls. 

- New dynamic driver with a Carbon Nanotube diaphragm. 

- Added volume controls and overall improved sense of touch controls. 

- Up to 35 hours of battery life.

- Waterproof IPX7 rating.

- Zinc alloy charging case.