Batteries Included | No |
Item model number | IN-BT504 |
Additional Features | Audio port: TF/USB/AUX, Double Speaker 40mm, FM frequency range: 87.5-108 MHz, Frequency Response: 100Hz-16KHz, Battery 3.7V 1800mAh lithium battery, Playback time 4-6 hours, Charging time: 2.5-3.5 hours, charging interface: Micro-USB, Input voltage DC5V- 500 mA |