Ks19 Wireless Headphones Tws Bluetooth Bone Conduction Hanging Neck Handsfree Headset With Microphone black

Description

Name: Bone conduction earphone;
Bluetooth-compatible version: V5.1 version;
Patent No.: 202130669191.1;
Product implementation standard: GB 8898-2011;
Battery: 110MAH;
Talk time: about 8 hours;
Music time: about 8 hours;
Communication distance: about 10 meters;
Battery type: lithium polymer battery;
Supported protocols: HEP/HSP/A2D/AVRCP;
Frequency: 20Hz-20KHz;
Impedance: 32 ohms;
Sensitivity: 85dB/mW;
Waterproof grade: IPX 5;
Speaker material: copper ring speaker 14.2mm;
Appearance material: ABS;
Bare metal size: 15 x 4 x 0.7CM;
Bare metal weight: 18 grams;
The size of the whole set: 17.5 x 9.6 x 1.8CM;
Weight: 50G;

Packing list:
1 x bone conduction earphone, 1 x charging cable, 1 x packing box

Note:
Due to manual measurement, please allow 1-3 cm error, thank you.
Due to screen and other objective reasons, there may be a certain color difference, please understand.