TG166 Wireless Speaker: Wireless specifications: V 5 Support L2CAP / A2DP / AVRCP for access Receive stereo audio signals, would be through the protocol Control the up and down operation of the audio transmitting end; Support HSP / HFP (Handsfree profile), With hands-free function for voice communication Wireless transmission range: 10M Audio noise ratio: ≥90db Battery capacity: 500mAh Built-in voltage: 3 Normal volume playback: 2H Speaker specifications: ¢ 45mm * 1 Speaker power: 4Ω / 5W * 1 Frequency response: 120HZ-20KHZ Size: 86 * 72 * 31 Stand-alone weight: about 172g Charging voltage: 5V / 500mA Charging time: 2-3H Package contents: 1*TG166 Speaker 1*Charge Cable 1*User Manual