Audio
Frequency response: 30 - 20 000 Hz 
Maximum output: 95 dB at 0.5 m

Connectivity
AV connectors: 3.5mm stereo input connector 
Charging connectors: Micro-USB 
Bluetooth: Bluetooth 3.0 + HS 
BT operating range: 10 m
NFC: Pairing 

Power
Battery technology: Li-Ion 
Primary battery: BL-5C 
Battery capacity: 1020 mAh
Battery voltage: 3.7 V
Rechargeable battery: Yes 
Maximum charging time: 180 min

Usage
Maximum music playback time: 15 h
Operating temperature: -5 - +40 C 

User Interface
UI features: Tones, Charging indicator, Battery level indicator
Operating keys: Power on/off key 
LED indicators: Power on indicator, Battery level indicator

Dimensions
Height: 38 mm
Diameter: 84 mm
Weight: 180 g

Environmental features
Materials: Free of PVC, Free of BFR
User guide: One colour printing, full on our websites, Small printed guide
Packaging: Packaging is 100 % recyclable