Model Number: M29 Package weight: 0.458 kg Product Size(L x W x H): 9.00 x 11.90 x 14.00 cm / 3.54 x 4.69 x 5.51 inches Package Size(L x W x H): 10.70 x 12.90 x 15.50 cm / 4.21 x 5.08 x 6.1 inches Package Contents: 1 x M29 Bluetooth Speaker, 1 x USB Cable With a outstanding appearance, the M29 skull Bluetooth speaker will deliver crisp, robust sound. Adopts Bluetooth technology, share music with your friends anytime and anywhere. Immersive sound quality and portable design that you will enjoy in the comfort of your home or even outdoors. A multifunctional Bluetooth speaker, let you spend more time having fun in the ocean of music. Main features: - Fashionable skull design, it will be the excellent decoration for your house - With the red light flashing in the skull glasses when the speaker works - Adopts Bluetooth 4.0 technology, instantly connect to your devices from up to 10.5m away - Built-in 1200mAh lithium-ion battery, rechargeable and durable - Compatible with the system of iOS and Android - Supports the maximum capacity of the TF card up to 128GB (TF card is not included) - Listening to the FM radio by connecting a power cord at the back of the product Performance parameter: - Bluetooth version: V4.0 - Bluetooth distance: 10.5m - Speaker unit: 66mm - Frequency: 150 - 20KHz - FM frequency: 87.5 - 108MHz - S/N: 80dB - Battery: 3.7V 1200mAh lithium-ion battery (included) - Playtime: more than 2 hours - Charging time: 3-4 hours - Output power: 3W - Working condition: 5.2V / 85mA