TWS Bluetooth V5.0 Wireless Headset Touch Control Dual Digital Display In-ear Stereo Sports Waterproof Earphone

Specification:
Product Name:k1; 
Chipset:Jerry 6936; 
Bluetooth version:V5.0; 
Frequency range:2.402GHz-2.480GHz; 
Headphone Size(mm):24mm*17.5mm*15mm; 
Charging box size(mm):65mm*45mm*36mm; 
Colour:black;  
Bluetooth headset Weight:10g; 
Weight "125g (with packaging); 
Call time:3-4H; 
Standby time:180H; 
Music time:4-5H(60% volume); 
Speaker:￠8mm/16Ω Hi-Fi SPEAKER; 
Battery:Lithium Polymer 50mAh; Lithium Polymer 400mAh; 
LED Indicator:YES/red,blue; 
KEY:YES/MFB touch KEY; 
USB: type-c interface; 
Wireless charging:no; 
Product characteristics :Touch / Intelligent power monitoring / Automatic poweron pairing / Up / down song switching / Up / down volume adjustment / Large capacity charging box; 
Support system:IOS/ANDROID/WINDOWS; 
authentication:no; 
Mouth piece on the headset:mic;