ProOne PHB3210 无线耳机

Specification 
Model: PHB3210 
Bluetooth version: V5.3 
Chipset: BLUETRUM BT8922E 
Support profiles: AVRCP/A2DP/HFP/HSP 
Transmission distance: Up to 10m 
Frequency range: 2.402~2.480GHz 
Touch control: Supports 
Noise control: ANC+ENC 
Noise reduction: Up to 25dB 
Battery material: lithium polymer battery 
battery capacity: Earbuds 40mAh, 
Charging case 350mAh 
Playing time: Around 5-7 hours 
Charging time: Around 1.5 hours 
Speaker size: 10mm 
Product size: 56*45*31.5mm 
Product material: ABS + PC 
Product weight: 45.5g (Earbuds 8.1g & Case 37.4g) 
Product Color: Black, White 
Accessories: Type-C cable*1, Ear caps*2 pairs, Manual*1