Feature:
Dual Noise Cancelling - ANC+ENC call noise cancellation system and reverse acoustic wave neutralization noise cancellation. Active noise Cancelling and passive noise Cancelling, clear transmission without noise.
BT5.3 Stereo Sound Quality - 13mm space diaphragm loudspeaker, equipped with polymer diaphragm, The music details are fuller and richer. High-speed transmission to play games without delay, enjoy audio and video synchronization Synchronized sound and picture. You can enjoy a low-latency listening experience and a high-quality call experience.
Great Battery Life & Smart LED Power Display - The wireless earbuds alone provide up to 4 hours of high-quality sound output on a single charge, and the included charging case provides an additional 4 charges, giving 16 hours of total playtime. Smart LED power display, therefore you'd never worry about a sudden low battery alert.
Ergonomic Design & IPX6 Waterproof - Unique ergonomic design, wearing stable crazy can not be thrown off, skin-friendly silicone ear cap, soft and comfortable. The IPX6 waterproof design protects your wireless earphones from sweat and splashes, which is ideal for sports, gym, workout, Hiking, etc. 
Multiple Smart Technology - one-step pairing, mono/binaural play, smart touch control summon the voice assistant. Make your life more comfortable.
How To Use:
Step1: Take two earbuds out of the package;
Step2: Put two earbuds in the charging case, and charge the case for 30 minutes, then go to step3;
Step3: Take out two earbuds from the charging case, the earbuds will flash blue light slowly after 3-5 seconds(if always flash blue light quickly, please double click the right earbuds, wait until its flash blue light slowly);
Step4: Turn on the Bluetooth on the device
and search M48-ANC to connect.
Remark: the earbuds will be connected automatically with a mobile phone if it has been connected before.
Specifications:
Model: M48
Bluetooth Version: 5.3
Material: ABS+PC
Transmission Distance: 10M/393.7inch
Battery: 35mah""2 250mah
Playing Time: 3-4H
Standby Time: 100H
Charging Time: 1H-2H
Product Size: 60mm*48mm*27mm/2.36inch*1.88inch*1.06inch
Color: Black
Package Includes:
2 x Wireless earbuds
1 x Charging case
4 x Ear caps
1 x Type C cable
1 x User Manual