QCY Q26 Mini Wireless Bluetooth 4.1 Earphone Handsfree Stereo Music Sport Driving Earbuds With Microphone - Green Talk Time: About 3 hours Music Time: About 3 hours Standby Time: 70 hours Charge Time: About 1-2 hours Bluetooth Version: 4.1 Battery: Rechargeable lithium-polymer Dimensions: Product size (L x W x H): 3 x 2 x 2 cm / 1.17 x 0.78 x 0.78 in Package size (L x W x H): 14 x 7 x 3 cm / 5.4 x 2.73 x1.17 in Weight: Product weight: 4.9 g Package weight: 49 g