• The lightweight wireless neckloop speaker fits smoothly around your neck and rests on your shoulders, providing a comfortable and secure fit for long periods of use or while relaxing
• Along with the latest Bluetooth-compatible 5.0 which connects to smartphones, you can also use the TF card (max 32g) slot to listen to your favorite music
• Built-in 3W*2 Bluetooth-compatible wireless speaker system, front facing upwards speakers surround you with deep and rich sound, creating a truly unique and immersive sound experience
• You can enjoy music when you go out for sports such as walking, cycling, mountain climbing, etc.

Specifications:

• Bluetooth-compatible compatible version: V5.0 + EDR 
• Bluetooth-compatible compatible protocol: RF5.0 BB5.0 LMP5.0 AVCTP1.4 GAVDP1.3 HFPV1.7  A2DPV1.3, AVRCPV1.6  SSP V1.2 etc.
• Material: ABS plastic + cloth net + TPU (handle) 
• Output power: max. 2*3W 
• Response frequency: 2.4GHz-2.480GHz 
• Speaker unit: Double speaker, 3W*2, platinum inner magnet impedance Φ33/4Ω
• Signal-to-noise ratio: ≥80dB 
• Distortion: ≤3 % 
• Sensitivity: -88DBM±2dBm 
• Transmission power: support class 1/class 2/class 3 maximum adjustable 6dBm 
• Input voltage: DC 5V 
• Audio Type: Dual Channel
• Charging current: In DC 5v 500mA ± 10mA when charging, the speaker's red light is on and the red light is off
• Working current: (3.7V 1kHz 0dBm battery) Average 600mA 
• Shutdown current: ≤ 50uA 
• Temperature range: -25℃ to +65℃ 
• Speaker battery: 500mAh, battery model 802540 polymer plus protection board (Micro 5 Pin charging interface) 
• Transmission distance: ≥ 10 meters (no barrier) 
• Talk time is about 5 hours and standby time is about 7200 hours
• Bluetooth-compatible support playback 60~70% volume listening time is about 12~13 hours, 100% volume listening time is about 5 hours
• TF card plays 60~70% volume, listening time about 10~12hours. 100% volume, listening time about 4 hours