1.Real Portable & Wearable Wireless speaker.
2.Bluetooth technology for all Bluetooth devices.
3.Simple pairing NFC (near field communications)
4.Play time up to 6 hours(600mAh lithium ion battery).
5.100% nylon zulu strap with stainless steel clip, the strap can be changeable and washable.
6.Luxurius aluminium knob.
7.Voice prompt and easy to pair.
8.MicroSD slot, Hands-free speaker phone function.
9.Advanced acoustices technology for passive radiators-prs design.

Product model: WS1            
Frequency response: 65Hz-20KHz            
Amplifier output power:3W ×1, 3Ω            
Amplifier input sensitivity: ≤500mV            
Amplifier SNR: ≥75dB            
Amplifier Distortion: ≤1%            
Driver type: Full range            
Passive Radiator: 1            
Battery: 3.7V 600mHA            
Lithium-battery charge time: 1-2 hours            
Lithium battery lasting time: 6 hours at normal volume.     Bluetooth version: V2.1+EDR            
Bluetooth transmission distance: 7-10M without obstacle        Bluetooth working frequency: 2.4GHz            
Bluetooth audio playback format: A2DP stereo