Anker Alkaline Batteries (2 Pack) Size:AA with a button in the

with a button in the front and two ports at each end

Playback: BT

battery capacity of charging box: 300mAh

Key type: deep profile

elegant design easily attaches to your upper back and employs a sensor that uses a learning algorithmic model to detect your body’s movements

Anker Alkaline Batteries (2 Pack) Size:AA with a button in theAnker Alkaline Battery (Non Rechargeable) Long Lasting Power For remote controls and games working with batteries. Battery capacity 3200mAh Superior safety for your devices. Battery life up to 1 year for small devices 10 years shelf life Note: These are non rechargeable batteries. DO NOT RECHARGE