TWS Hifi Wireless Earbuds CVC Noise Reduction

Features:
[ CVC INTELLIGENT NOISE REDUCTION HIFI MUSIC SOUND ]: Built-in intelligent active noise reduction, hifi music sound, bring you amazing high definition music and call experience. 
[ WIDE COMPATIBILITY FOR MOST BT DEVICES ]: Upgraded BT V5.0, both for android and iOS system phones, fast connection, higher transmission efficiency, lower power consumption and more stable. 
[ EQUIPPED WITH LARGE CAPACITY PORTABLE CHARGING CASE ]: 1800mAh charging case, also can charge your phone in emergency, earbuds magnetically attracted in the charging case and fully charged in 1 hour. 
[ ONE KEY SMART CONTROL]: One-click easy to answer calls, play music, pause, power on/off. Completely controlled by you. 
[ BUILT-IN MICROPHONE FOR CALLS]: High definition, better connection and call quality. 
[ ERGONOMICS DESIGNED SHAPE ]: Better suits your ear auricle, small and comfortable, not hurt your ear.

Specifications:
Active noise-cancellation: Yes; 
Impedance: 16Ω; 
Sensitivity: 97dB; 
Vocalism principle: Balanced Armature; 
Frequency range: 2.402G-2.480G; 
Volume control: No; 
Waterproof: No; 
BT version: V5.0; 
BT protocol: A2DP/AVRCP/HFP/HSP; 
Transmission distance: 10m; 
Charging time: 1 hour; 
Music time: 2 hours; 
Standby time: 3 hours; 
Talk time: 3 hours; 
Battery capacity: Built-in 3.7V/50mAh Li-ion battery for each earbud, built-in 3.7V/1800mAh Li-ion battery for charging base(INCLUDED); 
Ear bud weight: 9g / 0.32oz(single earbud); 
Package weight: 246g / 8.68oz; 
Charging base size: 8.5 * 5.5 * 2cm / 3.46 * 2.17 * 0.79in; 
Package size: 16.5 * 10 * 4cm / 6.50 * 3.94 * 1.57in;

Package list:
2 * Earbuds; 
1 * Charging case; 
1 * USB cable; 
4 * Ear caps; 
1 * User manual