Compatible with all Bluetooth enabled Smartphone.

Build-in rechargeable li-battery, can be charged via USB cable.

Specifications:

1. Bluetooth version: Bluetooth V4.0

2. Transmission range: 10m

3. Frequency range: 20-20KHZ

4. Designed with 40mm driver unites and can offer you the super bass and clear music.

5. Wireless transmitter standard: Class 2

6. Speaker diameter: 40mm

7. Battery: 3.7V

8. Talking time: About 10 hours

9. Listen music: About 10 hours

10. Standby time: About 120 hours

11. Charge time: About 2 hours

12. Impedance: 32Ω

13. Different colors for your choice: Red, Yellow, Blue

Feature

Distance: 10m

Battery volume: 300mA

Charging voltage: DC5V

Loudspeaker size: 40mm

Speaker impedance: 32 ohm

Working time:  music 4-6H   call 8-10H

Version: 4.0

Microphone: built-in

Power rating: 100mw

Working voltage: DV3.7V

Frequency response: 20-20Khz