Alarm clock bluetooth Speaker

Brand model: BT506 Battery type: polymer lithium battery Bluetooth version: Bluetooth5.0 Battery capacity: 3.7v 1600mAh, 7.4wH Support protocol: A2DP, AVRCP, HFP, HSP Charging inte rface: Micro USB, DC5V===2A Card slot: MicroSD card/TF card (maximum support 32G) Connection distance: about 10 meters (accessible) Audio interface: 3.5mm audio Support call: yes Show more