Product Information Explain: The upgraded Bluetooth-compatible 5.0 chip and compact design make this product more stable, low power consumption, barrier-free, and an effective transmission distance of 10 meters, lightweight and convenient to carry, allowing you to enjoy beautiful music anytime and anywhere. Strong compatibility, suitable for Bluetooth-compatible connection playback on mobile phones, tablets, and laptops, without delay in calls, allowing you to easily answer any calls while listening to music. This product is made of plastic and electronic components, making it more robust and durable. The length of the headphones is 7.5 centimeters and the width of the headphones is 7.5 centimeters. The height of the headphones is 3 centimeters. It is suitable for cooking, parties, gardening, garages, bonfires, hiking, cycling, or the beach, no matter what you need it for. Product Name: Bluetooth-compatible speaker Material: plastic, electronic components Battery: built-in 900MAH battery (included) Charging time: 4 hours Output power: 3W Working voltage: DC 5V Playback time: 5-10 hours Bluetooth version: V5.0 Signal-to-noise ratio: greater than 70db Playback format: MP3, WMA Supported formats: TF card Resolution: greater than 90DB Dimensions: 7.5 cm x 7.5 cm x 3 cm/2.95 inches x 2.95 inches x 1.18 inches Notes: Due to differences in lighting and screen settings, the color of the item may differ slightly from the picture. Due to differences in manual measurements, please allow for minor dimensional differences. The upgraded Bluetooth-compatible 5.0 chip and compact design make this product more stable, low power consumption, barrier-free, and an effective transmission distance of 10 meters, lightweight and convenient to carry, allowing you to enjoy beautiful music anytime and anywhere. Strong compatibility, suitable for Bluetooth-compatible connection playback on mobile phones, tablets, and laptops, without delay in calls, allowing you to easily answer any calls while listening to music. This product is made of plastic and electronic components, making it more robust and durable. The headphones are 7.5 cm long and 7.5 cm wide. The height of the headphones is 3 centimeters. It is suitable for cooking, parties, gardening, garages, bonfires, hiking, cycling, or the beach, no matter what you need it for.