(SIZE 2)Packing list: 
<br />1 x Bluetooth speaker 
<br />1 x USB line 
<br />1 x Audio line 
<br />1 x English instruction 
<br />1 x Shoulder strap
<br />(SIZE 2)Features:
<br />1. 10000 MAH super battery capacity, 15 hours music playback, enjoy music anytime, anywhere
<br />2. Support TF card function, Max 32GB
<br />3. Transmission distance up to 10M
<br />4. Support micro USB, 3.5MM AUX,TF card, USB2.0 ports
<br />5. Low power consumption. Loudspeaker Output 40W
<br />6. Support voice calls function 
<br />7. Excellent for outdoor sport and exercise and travel and so on 
<br />
<br />(SIZE 1)Package includes:
<br />1x Bluetooth speaker
<br />1x USB power cable
<br />
<br />(SIZE 1)Specifications:
<br />Color: White, Black, Yellow, Pink, Blue, Green (optional)
<br />
<br />(SIZE 2)Description:
<br />Bluetooth version: V4.1
<br />Bluetooth Name: XTREME
<br />Battery capacity: 10000mAh (built in)
<br />Endurance time: 15 hours
<br />Charging time: 3--5 hours
<br />Number of speakers: 2
<br />Speaker: 20W * 2
<br />Sound track: 2.0
<br />Frequency range: 2.4GHZ
<br />Input sensitivity: 400mV
<br />Wireless transmission distance: 10 meters
<br />The degree of separation: ¡Ý90dB
<br />Frequency response: 70~20KHz (+-3dB)
<br />Signal-to-noise ratio: ¡Ý 80dB
<br />Playback formats: WAV, MP3, WMA
<br />TF maximum support: 32G
<br />Mode of operation: press key
<br />USB line length: 50CM
<br />Input voltage: DC 5V 2A
<br />Certificate type: CE
<br />Interface type: micro USB / AUX / TF card socket / 2.0 USB 
<br />Color: brown green, green white grid(optional)
<br />Material: Rubber + woven fabric
<br />Size: length 21.5CM, width 9.7CM, height 9.4CM
<br />
<br />(SIZE 1)Shell material: Plastic
<br />Bluetooth speaker size: 6*5*5cm 
<br />Horn: ¦µ50mm
<br />Interface: mini USB interface
<br />Bluetooth version: V3.0
<br />Wireless distance: Within 10m
<br />Frequency range: 280Hz-16KHz
<br />Signal to noise ratio: ¡Ý 95dB
<br />Distortion rate: ¡Ü0.5%
<br />Power supply: DC 5V
<br />Power: 3W
<br />Battery: Built-in lithium battery
<br />Battery capacity: 520mAh
<br />Charging time: 2h
<br />Use time: 5h (full power state)
<br />Storage: Support TF card (maximum support 8GB, NOT include TF card)
<br />Features: Music player, hands-free calls, colorful light flash