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Overview and Specifications:

Bluetooth version: V4.1+EDR 
Bluetooth chips: ISSC2008 
Scope of use: straight line without obstacles is 12 meters forward, 8 meters back 
Battery capacity: 50mah 
Play video music: more than 3 hours 
Duration: over 4 hours 
Standby time: 100H 
Charging time: 1.5h 
Orientation: omnidirectional 
Frequency range: 2.402G-2.480G 
Support protocol: APTX/HFP/HSP/A2DP 
Output impedance: 50 ohms 
Charging voltage: 3.7V 
Working current: 15-16 ma 
Ambient temperature: – 20 ℃ / + 60 ℃ 
Support system: iOS, Android 
Waterproof grade: IPX4

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