Compact design, easy to carry in a bag A rechargeable lithium battery is 6 hours of reading time Supports call answering and hands-free, built-in microphone Small but powerful, proprietary technology and unique design for strong, clear and balanced production Specifications:Model: VTB-BM6 Size:

Compact design, easy to carry in a bag A rechargeable lithium battery is 6 hours of reading time Supports call answering and hands-free, built-in microphone Small but powerful, proprietary technology and unique design for strong, clear and balanced production Specifications:Model: VTB-BM6 Size: 42.5 * 45 mm Weight: 40.5 g Audio output: 3 W Frequency: 20 Hz-20 kHz Battery capacity: 300 mA Battery voltage: 5 volts Bluetooth: v4.1 Charging time: 1 hour Play time: up to 4 hours Package included: 1 x Bluetooth Speaker 1 x Cable 1 x User Manual 1 x Series