sweetty M165 Wireless Earbud

Overview: With the features of BT technology, built-in high-grade microphone & speaker, hands- calling function and lightweight design, the headphone is convenient for you to listen to music and answer calls. A great companion for your daily life, office time, driving or travel. Specifications: BT Version: BT 4.1 Operation Range: Up to 10 meters (no obstacle) Frequency Response Range: 20Hz-20KHz Impedance: 32Ω Sensitivity: 96±3dB Headset Battery: 60mAh rechargeable Li-polymer battery Working Time: about 2 hours (depends on music volume) Standby Time: about 12 hours Charging Time: 1-2 hours Color: Black, White (optional) Main Item Size: Approx. 5.0*1.4*0.9cm/1.96*0.60*0.35in Main Item Weight: 6g/0.24oz Package Size: Approx. 7.5*6.5*1.8cm/2.95*2.56*0.70in Package Weight: 19g/0.67oz Package List: 1 * Headset 1 * Earhook 1 * USB Cable 1 * User Manual