Bluetooth speakers1.Accord with bluetooth V3.0
2. Transmission range:<10M
3. USB charging voltage:DC 5V
4. Output power:6W
5. Built-in Power:Li-ion Battery 3.7V/1000MA
6. Battery Lifetime:4

Induction speakers1, Accord with bluetooth V2.1 +EDR (A2DP)
2, Transmission range: up to 10M
3, USB charging voltage:5V+/-0.5V
4, Output power:3W
5, Built-in Li-ion Battery: 500ma LI BATTERY
6, Battery Lifetime:5 hours
7, Battery charging time:52 hour