Bluetooth Version: 2.1 + EDR
Bluetooth protocol: A2DP AVRCP
Distance: 10m
Frequency range: 200Hz-20KHz
Output power: 3W
SNR: ¡Ý75dB
Distortion: ¡Ü1.0%
Playing time: 6 hours
Charging time: 3 to 4 hours
Charging power supply: 5V / 2A
Power supply: + 3.7V lithium battery
Size (LWH): 108mm * 36mm * 54mm
Weight: 220g
Packing:
1. 1 pc Packaging Box
2. 1 pc Bluetooth speaker
3. 1 pc USB charging cable
4. 1 pc Instructions

Features:
1.100% Brand New & High Quality.
2.Support for Bluetooth & Wireless transmission.
3.Built-in Microphone,enjoying hand-free call.
4.Adopt high quality audio decode chip,let you experience perfect sound quality.
5.Built-in charging Battery and Built-in high sensitivity Microphone,listening music any where.
6.Suitable for outdoor activities, car, bedroom, washroom, kitchen, office, conference, business trip, vacation etc.